156501165516 has 24 divisors (see below), whose sum is σ = 366459745344. Its totient is φ = 51982718160.

The previous prime is 156501165511. The next prime is 156501165629. The reversal of 156501165516 is 615561105651.

It is a super-2 number, since 2×156501165516² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (156501165511) 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, 23038590 + ... + 23045381.

It is an arithmetic number, because the mean of its divisors is an integer number (15269156056).

Almost surely, 2^156501165516 is an apocalyptic number.

It is an amenable number.

156501165516 is an abundant number, since it is smaller than the sum of its proper divisors (209958579828).

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

156501165516 is a wasteful number, since it uses less digits than its factorization.

156501165516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46084261 (or 46084259 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 42.

The spelling of 156501165516 in words is "one hundred fifty-six billion, five hundred one million, one hundred sixty-five thousand, five hundred sixteen".