102166244 has 6 divisors (see below), whose sum is σ = 178790934. Its totient is φ = 51083120.

The previous prime is 102166199. The next prime is 102166271. The reversal of 102166244 is 442661201.

It can be written as a sum of positive squares in only one way, i.e., 79887844 + 22278400 = 8938^2 + 4720^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12770777 + ... + 12770784.

It is an arithmetic number, because the mean of its divisors is an integer number (29798489).

Almost surely, 2^102166244 is an apocalyptic number.

It is an amenable number.

102166244 is a deficient number, since it is larger than the sum of its proper divisors (76624690).

102166244 is a wasteful number, since it uses less digits than its factorization.

102166244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25541565 (or 25541563 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 102166244 is about 10107.7318919726. The cubic root of 102166244 is about 467.4865738182.

The spelling of 102166244 in words is "one hundred two million, one hundred sixty-six thousand, two hundred forty-four".