166668530 has 32 divisors (see below), whose sum is σ = 347988096. Its totient is φ = 56289024.

The previous prime is 166668497. The next prime is 166668553. The reversal of 166668530 is 35866661.

It is a Curzon 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, 13079 + ... + 22458.

It is an arithmetic number, because the mean of its divisors is an integer number (10874628).

Almost surely, 2^166668530 is an apocalyptic number.

166668530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166668530 is an abundant number, since it is smaller than the sum of its proper divisors (181319566).

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

166668530 is a wasteful number, since it uses less digits than its factorization.

166668530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35618.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 166668530 is about 12910.0166537460. The cubic root of 166668530 is about 550.3232590052.

The spelling of 166668530 in words is "one hundred sixty-six million, six hundred sixty-eight thousand, five hundred thirty".