102166635552 has 48 divisors (see below), whose sum is σ = 268206190560. Its totient is φ = 34053161472.

The previous prime is 102166635509. The next prime is 102166635563. The reversal of 102166635552 is 255536661201.

It is a tau number, because it is divible by the number of its divisors (48).

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, 1822599 + ... + 1877817.

It is an arithmetic number, because the mean of its divisors is an integer number (5587628970).

Almost surely, 2^102166635552 is an apocalyptic number.

102166635552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102166635552 is an abundant number, since it is smaller than the sum of its proper divisors (166039555008).

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

102166635552 is a wasteful number, since it uses less digits than its factorization.

102166635552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74505 (or 74497 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 42.

The spelling of 102166635552 in words is "one hundred two billion, one hundred sixty-six million, six hundred thirty-five thousand, five hundred fifty-two".