166668430 has 32 divisors (see below), whose sum is σ = 308170368. Its totient is φ = 64864800.

The previous prime is 166668401. The next prime is 166668449. The reversal of 166668430 is 34866661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141745 + ... + 142915.

It is an arithmetic number, because the mean of its divisors is an integer number (9630324).

Almost surely, 2^166668430 is an apocalyptic number.

166668430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166668430 is a deficient number, since it is larger than the sum of its proper divisors (141501938).

166668430 is a wasteful number, since it uses less digits than its factorization.

166668430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 166668430 is about 12910.0127807838. The cubic root of 166668430 is about 550.3231489417.

The spelling of 166668430 in words is "one hundred sixty-six million, six hundred sixty-eight thousand, four hundred thirty".