166432899696 has 80 divisors (see below), whose sum is σ = 507224107008. Its totient is φ = 46018310400.

The previous prime is 166432899691. The next prime is 166432899751. The reversal of 166432899696 is 696998234661.

It is a self number, because there is not a number n which added to its sum of digits gives 166432899696.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166432899691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7978875 + ... + 7999706.

Almost surely, 2^166432899696 is an apocalyptic number.

166432899696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

166432899696 is an abundant number, since it is smaller than the sum of its proper divisors (340791207312).

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

166432899696 is a wasteful number, since it uses less digits than its factorization.

166432899696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15978630 (or 15978624 counting only the distinct ones).

The product of its digits is 181398528, while the sum is 69.

The spelling of 166432899696 in words is "one hundred sixty-six billion, four hundred thirty-two million, eight hundred ninety-nine thousand, six hundred ninety-six".