156571398164 has 12 divisors (see below), whose sum is σ = 275745170484. Its totient is φ = 77787063744.

The previous prime is 156571398127. The next prime is 156571398167. The reversal of 156571398164 is 461893175651.

156571398164 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 114426592900 + 42144805264 = 338270^2 + 205292^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156571398167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124658129 + ... + 124659384.

It is an arithmetic number, because the mean of its divisors is an integer number (22978764207).

Almost surely, 2^156571398164 is an apocalyptic number.

It is an amenable number.

156571398164 is a deficient number, since it is larger than the sum of its proper divisors (119173772320).

156571398164 is a wasteful number, since it uses less digits than its factorization.

156571398164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249317674 (or 249317672 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 56.

The spelling of 156571398164 in words is "one hundred fifty-six billion, five hundred seventy-one million, three hundred ninety-eight thousand, one hundred sixty-four".