156506066166 has 32 divisors (see below), whose sum is σ = 322500110688. Its totient is φ = 50602069760.

The previous prime is 156506066159. The next prime is 156506066251. The reversal of 156506066166 is 661660605651.

156506066166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1796181 + ... + 1881296.

It is an arithmetic number, because the mean of its divisors is an integer number (10078128459).

Almost surely, 2^156506066166 is an apocalyptic number.

156506066166 is an abundant number, since it is smaller than the sum of its proper divisors (165994044522).

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

156506066166 is a wasteful number, since it uses less digits than its factorization.

156506066166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3677696.

The product of its (nonzero) digits is 1166400, while the sum is 48.

The spelling of 156506066166 in words is "one hundred fifty-six billion, five hundred six million, sixty-six thousand, one hundred sixty-six".