156501616560 has 40 divisors (see below), whose sum is σ = 485155012080. Its totient is φ = 41733764352.

The previous prime is 156501616499. The next prime is 156501616561. The reversal of 156501616560 is 65616105651.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (156501616561) 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, 326044795 + ... + 326045274.

It is an arithmetic number, because the mean of its divisors is an integer number (12128875302).

Almost surely, 2^156501616560 is an apocalyptic number.

156501616560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156501616560 is an abundant number, since it is smaller than the sum of its proper divisors (328653395520).

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

156501616560 is a wasteful number, since it uses less digits than its factorization.

156501616560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652090085 (or 652090079 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 42.

The spelling of 156501616560 in words is "one hundred fifty-six billion, five hundred one million, six hundred sixteen thousand, five hundred sixty".