166672244 has 24 divisors (see below), whose sum is σ = 302658048. Its totient is φ = 80226720.

The previous prime is 166672243. The next prime is 166672277. The reversal of 166672244 is 442276661.

It is a junction number, because it is equal to n+sod(n) for n = 166672198 and 166672207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166672241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21017 + ... + 27839.

It is an arithmetic number, because the mean of its divisors is an integer number (12610752).

Almost surely, 2^166672244 is an apocalyptic number.

It is an amenable number.

166672244 is a deficient number, since it is larger than the sum of its proper divisors (135985804).

166672244 is a wasteful number, since it uses less digits than its factorization.

166672244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7055 (or 7053 counting only the distinct ones).

The product of its digits is 96768, while the sum is 38.

The square root of 166672244 is about 12910.1604947421. The cubic root of 166672244 is about 550.3273467303.

The spelling of 166672244 in words is "one hundred sixty-six million, six hundred seventy-two thousand, two hundred forty-four".