166104535624 has 8 divisors (see below), whose sum is σ = 311446004310. Its totient is φ = 83052267808.

The previous prime is 166104535579. The next prime is 166104535627. The reversal of 166104535624 is 426535401661.

It can be written as a sum of positive squares in only one way, i.e., 140488533124 + 25616002500 = 374818^2 + 160050^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (166104535627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10381533469 + ... + 10381533484.

Almost surely, 2^166104535624 is an apocalyptic number.

It is an amenable number.

166104535624 is a deficient number, since it is larger than the sum of its proper divisors (145341468686).

166104535624 is a wasteful number, since it uses less digits than its factorization.

166104535624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20763066959 (or 20763066955 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 166104535624 in words is "one hundred sixty-six billion, one hundred four million, five hundred thirty-five thousand, six hundred twenty-four".