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164513455245 = 3352416597673
BaseRepresentation
bin1001100100110111000…
…1000001110010001101
3120201122020002102122000
42121031301001302031
510143410421031440
6203324302142513
714612540203566
oct2311561016215
9521566072560
10164513455245
1163851613967
1227a73281a39
131268a3748b9
147d6912316d
15442cd37730
hex264dc41c8d

164513455245 has 64 divisors (see below), whose sum is σ = 294165907200. Its totient is φ = 87232481280.

The previous prime is 164513455219. The next prime is 164513455261. The reversal of 164513455245 is 542554315461.

164513455245 is a `hidden beast` number, since 1 + 6 + 4 + 51 + 3 + 4 + 552 + 45 = 666.

It is not a de Polignac number, because 164513455245 - 25 = 164513455213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 164513455245.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21436729 + ... + 21444401.

It is an arithmetic number, because the mean of its divisors is an integer number (4596342300).

Almost surely, 2164513455245 is an apocalyptic number.

164513455245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164513455245 is a deficient number, since it is larger than the sum of its proper divisors (129652451955).

164513455245 is a wasteful number, since it uses less digits than its factorization.

164513455245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8587 (or 8581 counting only the distinct ones).

The product of its digits is 1440000, while the sum is 45.

The spelling of 164513455245 in words is "one hundred sixty-four billion, five hundred thirteen million, four hundred fifty-five thousand, two hundred forty-five".

Divisors: 1 3 5 9 15 27 45 135 241 659 723 1205 1977 2169 3295 3615 5931 6507 7673 9885 10845 17793 23019 29655 32535 38365 69057 88965 115095 158819 207171 345285 476457 794095 1035855 1429371 1849193 2382285 4288113 5056507 5547579 7146855 9245965 15169521 16642737 21440565 25282535 27737895 45508563 49928211 75847605 83213685 136525689 227542815 249641055 682628445 1218618187 3655854561 6093090935 10967563683 18279272805 32902691049 54837818415 164513455245