156161055659922 has 24 divisors (see below), whose sum is σ = 344083681964880. Its totient is φ = 51171419368440.

The previous prime is 156161055659879. The next prime is 156161055659929. The reversal of 156161055659922 is 229956550161651.

156161055659922 is a `hidden beast` number, since 1 + 5 + 6 + 1 + 6 + 1 + 0 + 556 + 59 + 9 + 22 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 156161055659922.

It is not an unprimeable number, because it can be changed into a prime (156161055659929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73522153204 + ... + 73522155327.

It is an arithmetic number, because the mean of its divisors is an integer number (14336820081870).

Almost surely, 2^{156161055659922} is an apocalyptic number.

156161055659922 is an abundant number, since it is smaller than the sum of its proper divisors (187922626304958).

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

156161055659922 is a wasteful number, since it uses less digits than its factorization.

156161055659922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147044308598 (or 147044308595 counting only the distinct ones).

The product of its (nonzero) digits is 43740000, while the sum is 63.

The spelling of 156161055659922 in words is "one hundred fifty-six trillion, one hundred sixty-one billion, fifty-five million, six hundred fifty-nine thousand, nine hundred twenty-two".