166674812 has 6 divisors (see below), whose sum is σ = 291680928. Its totient is φ = 83337404.

The previous prime is 166674797. The next prime is 166674913. The reversal of 166674812 is 218476661.

It is a self number, because there is not a number n which added to its sum of digits gives 166674812.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20834348 + ... + 20834355.

It is an arithmetic number, because the mean of its divisors is an integer number (48613488).

Almost surely, 2^166674812 is an apocalyptic number.

It is an amenable number.

166674812 is a deficient number, since it is larger than the sum of its proper divisors (125006116).

166674812 is a wasteful number, since it uses less digits than its factorization.

166674812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41668707 (or 41668705 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 166674812 is about 12910.2599509073. The cubic root of 166674812 is about 550.3301731024.

The spelling of 166674812 in words is "one hundred sixty-six million, six hundred seventy-four thousand, eight hundred twelve".