156171166100664 has 128 divisors (see below), whose sum is σ = 485665987726080. Its totient is φ = 41114580940800.

The previous prime is 156171166100639. The next prime is 156171166100683. The reversal of 156171166100664 is 466001661171651.

156171166100664 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1338306922 + ... + 1338423609.

It is an arithmetic number, because the mean of its divisors is an integer number (3794265529110).

Almost surely, 2^{156171166100664} is an apocalyptic number.

It is an amenable number.

156171166100664 is an abundant number, since it is smaller than the sum of its proper divisors (329494821625416).

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

156171166100664 is a wasteful number, since it uses less digits than its factorization.

156171166100664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2676730581 (or 2676730577 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 51.

The spelling of 156171166100664 in words is "one hundred fifty-six trillion, one hundred seventy-one billion, one hundred sixty-six million, one hundred thousand, six hundred sixty-four".