164045966715 has 16 divisors (see below), whose sum is σ = 291637274400. Its totient is φ = 87491182176.

The previous prime is 164045966677. The next prime is 164045966743. The reversal of 164045966715 is 517669540461.

164045966715 is a `hidden beast` number, since 1 + 6 + 40 + 4 + 596 + 6 + 7 + 1 + 5 = 666.

It is not a de Polignac number, because 164045966715 - 2¹⁰ = 164045965691 is a prime.

It is a super-2 number, since 2×164045966715² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 607577520 + ... + 607577789.

It is an arithmetic number, because the mean of its divisors is an integer number (18227329650).

Almost surely, 2^164045966715 is an apocalyptic number.

164045966715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

164045966715 is a deficient number, since it is larger than the sum of its proper divisors (127591307685).

164045966715 is a wasteful number, since it uses less digits than its factorization.

164045966715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215155323 (or 1215155317 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The spelling of 164045966715 in words is "one hundred sixty-four billion, forty-five million, nine hundred sixty-six thousand, seven hundred fifteen".