166908400 has 30 divisors (see below), whose sum is σ = 400998392. Its totient is φ = 66763200.

The previous prime is 166908377. The next prime is 166908403. The reversal of 166908400 is 4809661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166908403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 208236 + ... + 209035.

Almost surely, 2^166908400 is an apocalyptic number.

166908400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166908400 is an abundant number, since it is smaller than the sum of its proper divisors (234089992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166908400 is a wasteful number, since it uses less digits than its factorization.

166908400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417289 (or 417278 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 166908400 is about 12919.3033867930. The cubic root of 166908400 is about 550.5871415807.

The spelling of 166908400 in words is "one hundred sixty-six million, nine hundred eight thousand, four hundred".