102164439684 has 24 divisors (see below), whose sum is σ = 239244291328. Its totient is φ = 33931870560.

The previous prime is 102164439673. The next prime is 102164439719. The reversal of 102164439684 is 486934461201.

It is a happy 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, 15364372 + ... + 15371019.

Almost surely, 2^102164439684 is an apocalyptic number.

It is an amenable number.

102164439684 is an abundant number, since it is smaller than the sum of its proper divisors (137079851644).

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

102164439684 is a wasteful number, since it uses less digits than its factorization.

102164439684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30735675 (or 30735673 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 48.

The spelling of 102164439684 in words is "one hundred two billion, one hundred sixty-four million, four hundred thirty-nine thousand, six hundred eighty-four".