166113495078 has 16 divisors (see below), whose sum is σ = 332231015856. Its totient is φ = 55370494080.

The previous prime is 166113495001. The next prime is 166113495083. The reversal of 166113495078 is 870594311661.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 166113495078.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 784650 + ... + 973602.

It is an arithmetic number, because the mean of its divisors is an integer number (20764438491).

Almost surely, 2^166113495078 is an apocalyptic number.

166113495078 is an abundant number, since it is smaller than the sum of its proper divisors (166117520778).

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

166113495078 is a wasteful number, since it uses less digits than its factorization.

166113495078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335479.

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

The spelling of 166113495078 in words is "one hundred sixty-six billion, one hundred thirteen million, four hundred ninety-five thousand, seventy-eight".