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164372378793 = 3747916340827
BaseRepresentation
bin1001100100010101011…
…0110111010010101001
3120201021101122000010020
42121011112313102221
510143113312110133
6203302302311053
714606205111150
oct2310526672251
9521241560106
10164372378793
1163789a17057
1227a33b88489
131266707b5cc
147d544bc597
15442076c0b3
hex26455b74a9

164372378793 has 16 divisors (see below), whose sum is σ = 250995118080. Its totient is φ = 93730977936.

The previous prime is 164372378777. The next prime is 164372378809. The reversal of 164372378793 is 397873273461.

It is a happy number.

164372378793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (164372378777) and next prime (164372378809).

It is not a de Polignac number, because 164372378793 - 24 = 164372378777 is a prime.

It is a super-2 number, since 2×1643723787932 (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (164372378693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8160355 + ... + 8180472.

It is an arithmetic number, because the mean of its divisors is an integer number (15687194880).

Almost surely, 2164372378793 is an apocalyptic number.

It is an amenable number.

164372378793 is a deficient number, since it is larger than the sum of its proper divisors (86622739287).

164372378793 is a wasteful number, since it uses less digits than its factorization.

164372378793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16341316.

The product of its digits is 32006016, while the sum is 60.

The spelling of 164372378793 in words is "one hundred sixty-four billion, three hundred seventy-two million, three hundred seventy-eight thousand, seven hundred ninety-three".

Divisors: 1 3 7 21 479 1437 3353 10059 16340827 49022481 114385789 343157367 7827256133 23481768399 54790792931 164372378793