156120334566 has 32 divisors (see below), whose sum is σ = 375627874560. Its totient is φ = 42258135456.

The previous prime is 156120334501. The next prime is 156120334603. The reversal of 156120334566 is 665433021651.

156120334566 is digitally balanced in base 2, 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 (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97818961 + ... + 97820556.

It is an arithmetic number, because the mean of its divisors is an integer number (11738371080).

Almost surely, 2^156120334566 is an apocalyptic number.

156120334566 is an abundant number, since it is smaller than the sum of its proper divisors (219507539994).

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

156120334566 is a wasteful number, since it uses less digits than its factorization.

156120334566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195639548.

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 156120334566 in words is "one hundred fifty-six billion, one hundred twenty million, three hundred thirty-four thousand, five hundred sixty-six".