166624624 has 10 divisors (see below), whose sum is σ = 322835240. Its totient is φ = 83312304.

The previous prime is 166624609. The next prime is 166624637. The reversal of 166624624 is 426426661.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5207004 + ... + 5207035.

It is an arithmetic number, because the mean of its divisors is an integer number (32283524).

Almost surely, 2^166624624 is an apocalyptic number.

It is an amenable number.

166624624 is a deficient number, since it is larger than the sum of its proper divisors (156210616).

166624624 is a wasteful number, since it uses less digits than its factorization.

166624624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10414047 (or 10414041 counting only the distinct ones).

The product of its digits is 82944, while the sum is 37.

The square root of 166624624 is about 12908.3160791793. The cubic root of 166624624 is about 550.2749303154.

The spelling of 166624624 in words is "one hundred sixty-six million, six hundred twenty-four thousand, six hundred twenty-four".