102166242 has 16 divisors (see below), whose sum is σ = 204490560. Its totient is φ = 34029072.

The previous prime is 102166199. The next prime is 102166271. The reversal of 102166242 is 242661201.

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, 2859 + ... + 14577.

It is an arithmetic number, because the mean of its divisors is an integer number (12780660).

Almost surely, 2^102166242 is an apocalyptic number.

102166242 is an abundant number, since it is smaller than the sum of its proper divisors (102324318).

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

102166242 is a wasteful number, since it uses less digits than its factorization.

102166242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13177.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 102166242 is about 10107.7317930384. The cubic root of 102166242 is about 467.4865707677.

The spelling of 102166242 in words is "one hundred two million, one hundred sixty-six thousand, two hundred forty-two".