102166988 has 24 divisors (see below), whose sum is σ = 222910464. Its totient is φ = 39805200.

The previous prime is 102166963. The next prime is 102167063. The reversal of 102166988 is 889661201.

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, 165548 + ... + 166163.

It is an arithmetic number, because the mean of its divisors is an integer number (9287936).

Almost surely, 2^102166988 is an apocalyptic number.

It is an amenable number.

102166988 is an abundant number, since it is smaller than the sum of its proper divisors (120743476).

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

102166988 is a wasteful number, since it uses less digits than its factorization.

102166988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331733 (or 331731 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 102166988 is about 10107.7686954144. The cubic root of 102166988 is about 467.4877086000.

The spelling of 102166988 in words is "one hundred two million, one hundred sixty-six thousand, nine hundred eighty-eight".