166671064 has 32 divisors (see below), whose sum is σ = 372683520. Its totient is φ = 68324256.

The previous prime is 166671023. The next prime is 166671073. The reversal of 166671064 is 460176661.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63414 + ... + 65989.

It is an arithmetic number, because the mean of its divisors is an integer number (11646360).

Almost surely, 2^166671064 is an apocalyptic number.

166671064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

166671064 is an abundant number, since it is smaller than the sum of its proper divisors (206012456).

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

166671064 is a wasteful number, since it uses less digits than its factorization.

166671064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129439 (or 129435 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 166671064 is about 12910.1147942224. The cubic root of 166671064 is about 550.3260479981.

The spelling of 166671064 in words is "one hundred sixty-six million, six hundred seventy-one thousand, sixty-four".