164668080 has 40 divisors (see below), whose sum is σ = 510471792. Its totient is φ = 43911424.

The previous prime is 164668043. The next prime is 164668123. The reversal of 164668080 is 80866461.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342819 + ... + 343298.

Almost surely, 2^164668080 is an apocalyptic number.

164668080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164668080 is an abundant number, since it is smaller than the sum of its proper divisors (345803712).

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

164668080 is a wasteful number, since it uses less digits than its factorization.

164668080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686133 (or 686127 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 164668080 is about 12832.3061060746. The cubic root of 164668080 is about 548.1126271430.

The spelling of 164668080 in words is "one hundred sixty-four million, six hundred sixty-eight thousand, eighty".