166907056 has 20 divisors (see below), whose sum is σ = 324260992. Its totient is φ = 83226816.

The previous prime is 166907051. The next prime is 166907057. The reversal of 166907056 is 650709661.

166907056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (166907051) 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, 8016 + ... + 19951.

Almost surely, 2^166907056 is an apocalyptic number.

166907056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

166907056 is a deficient number, since it is larger than the sum of its proper divisors (157353936).

166907056 is a wasteful number, since it uses less digits than its factorization.

166907056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28348 (or 28342 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 166907056 is about 12919.2513714998. The cubic root of 166907056 is about 550.5856637419.

The spelling of 166907056 in words is "one hundred sixty-six million, nine hundred seven thousand, fifty-six".