166939124 has 12 divisors (see below), whose sum is σ = 318702048. Its totient is φ = 75881400.

The previous prime is 166939121. The next prime is 166939147. The reversal of 166939124 is 421939661.

It is a super-2 number, since 2×166939124² = 55737342243774752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166939121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1896992 + ... + 1897079.

It is an arithmetic number, because the mean of its divisors is an integer number (26558504).

Almost surely, 2^166939124 is an apocalyptic number.

It is an amenable number.

166939124 is a deficient number, since it is larger than the sum of its proper divisors (151762924).

166939124 is a wasteful number, since it uses less digits than its factorization.

166939124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3794086 (or 3794084 counting only the distinct ones).

The product of its digits is 69984, while the sum is 41.

The square root of 166939124 is about 12920.4924054774. The cubic root of 166939124 is about 550.6209229871.

The spelling of 166939124 in words is "one hundred sixty-six million, nine hundred thirty-nine thousand, one hundred twenty-four".