156166501166 has 64 divisors (see below), whose sum is σ = 258007680000. Its totient is φ = 70459189632.

The previous prime is 156166501163. The next prime is 156166501181. The reversal of 156166501166 is 661105661651.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156166501163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98901365 + ... + 98902943.

It is an arithmetic number, because the mean of its divisors is an integer number (4031370000).

Almost surely, 2^156166501166 is an apocalyptic number.

156166501166 is a deficient number, since it is larger than the sum of its proper divisors (101841178834).

156166501166 is a wasteful number, since it uses less digits than its factorization.

156166501166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121.

The product of its (nonzero) digits is 194400, while the sum is 44.

The spelling of 156166501166 in words is "one hundred fifty-six billion, one hundred sixty-six million, five hundred one thousand, one hundred sixty-six".