152720694864 has 80 divisors (see below), whose sum is σ = 438417792640. Its totient is φ = 50900762880.

The previous prime is 152720694857. The next prime is 152720694883. The reversal of 152720694864 is 468496027251.

152720694864 is a `hidden beast` number, since 1 + 527 + 20 + 6 + 94 + 8 + 6 + 4 = 666.

It is a super-2 number, since 2×152720694864² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 152720694864.

It is a congruent number.

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, 4860324 + ... + 4891644.

It is an arithmetic number, because the mean of its divisors is an integer number (5480222408).

Almost surely, 2^152720694864 is an apocalyptic number.

It is an amenable number.

152720694864 is an abundant number, since it is smaller than the sum of its proper divisors (285697097776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

152720694864 is a wasteful number, since it uses less digits than its factorization.

152720694864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42625 (or 42613 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 152720694864 in words is "one hundred fifty-two billion, seven hundred twenty million, six hundred ninety-four thousand, eight hundred sixty-four".