156161055660 has 24 divisors (see below), whose sum is σ = 437250956016. Its totient is φ = 41642948160.

The previous prime is 156161055647. The next prime is 156161055671. The reversal of 156161055660 is 66550161651.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1301342071 + ... + 1301342190.

It is an arithmetic number, because the mean of its divisors is an integer number (18218789834).

Almost surely, 2^156161055660 is an apocalyptic number.

156161055660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156161055660 is an abundant number, since it is smaller than the sum of its proper divisors (281089900356).

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

156161055660 is a wasteful number, since it uses less digits than its factorization.

156161055660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2602684273 (or 2602684271 counting only the distinct ones).

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

The spelling of 156161055660 in words is "one hundred fifty-six billion, one hundred sixty-one million, fifty-five thousand, six hundred sixty".