164980780 has 24 divisors (see below), whose sum is σ = 355825008. Its totient is φ = 64208448.

The previous prime is 164980769. The next prime is 164980799. The reversal of 164980780 is 87089461.

164980780 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (43) 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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110734 + ... + 112213.

It is an arithmetic number, because the mean of its divisors is an integer number (14826042).

Almost surely, 2^164980780 is an apocalyptic number.

164980780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164980780 is an abundant number, since it is smaller than the sum of its proper divisors (190844228).

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

164980780 is a wasteful number, since it uses less digits than its factorization.

164980780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222993 (or 222991 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 164980780 is about 12844.4844193919. The cubic root of 164980780 is about 548.4593578543.

The spelling of 164980780 in words is "one hundred sixty-four million, nine hundred eighty thousand, seven hundred eighty".