102166638762 has 16 divisors (see below), whose sum is σ = 204391024992. Its totient is φ = 34045921680.

The previous prime is 102166638731. The next prime is 102166638829. The reversal of 102166638762 is 267836661201.

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 7 ways as a sum of consecutive naturals, for example, 2383128 + ... + 2425619.

It is an arithmetic number, because the mean of its divisors is an integer number (12774439062).

Almost surely, 2^102166638762 is an apocalyptic number.

102166638762 is an abundant number, since it is smaller than the sum of its proper divisors (102224386230).

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

102166638762 is a wasteful number, since it uses less digits than its factorization.

102166638762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4812293.

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 102166638762 in words is "one hundred two billion, one hundred sixty-six million, six hundred thirty-eight thousand, seven hundred sixty-two".