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1066645463 = 13412001211
BaseRepresentation
bin111111100100111…
…011011111010111
32202100002012111112
4333210323133113
54141030123323
6253501525235
735301223352
oct7744733727
92670065445
101066645463
114a8103584
1225927381b
1313cca2b80
14a1939299
1563998178
hex3f93b7d7

1066645463 has 8 divisors (see below), whose sum is σ = 1176712656. Its totient is φ = 960580800.

The previous prime is 1066645429. The next prime is 1066645477. The reversal of 1066645463 is 3645466601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1066645463 - 218 = 1066383319 is a prime.

It is a super-2 number, since 2×10666454632 = 2275465087476968738, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1066645463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066645403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1000073 + ... + 1001138.

It is an arithmetic number, because the mean of its divisors is an integer number (147089082).

Almost surely, 21066645463 is an apocalyptic number.

1066645463 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1066645463 is a deficient number, since it is larger than the sum of its proper divisors (110067193).

1066645463 is a wasteful number, since it uses less digits than its factorization.

1066645463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001265.

The product of its (nonzero) digits is 311040, while the sum is 41.

The square root of 1066645463 is about 32659.5386219708. The cubic root of 1066645463 is about 1021.7391395758.

The spelling of 1066645463 in words is "one billion, sixty-six million, six hundred forty-five thousand, four hundred sixty-three".

Divisors: 1 13 41 533 2001211 26015743 82049651 1066645463