166013220288 has 28 divisors (see below), whose sum is σ = 439243312520. Its totient is φ = 55337740032.

The previous prime is 166013220259. The next prime is 166013220311. The reversal of 166013220288 is 882022310661.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432325903 + ... + 432326286.

Almost surely, 2^166013220288 is an apocalyptic number.

It is an amenable number.

166013220288 is an abundant number, since it is smaller than the sum of its proper divisors (273230092232).

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

166013220288 is an equidigital number, since it uses as much as digits as its factorization.

166013220288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864652204 (or 864652194 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The spelling of 166013220288 in words is "one hundred sixty-six billion, thirteen million, two hundred twenty thousand, two hundred eighty-eight".