164884180 has 12 divisors (see below), whose sum is σ = 346256820. Its totient is φ = 65953664.

The previous prime is 164884177. The next prime is 164884199. The reversal of 164884180 is 81488461.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 49364676 + 115519504 = 7026^2 + 10748^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4122085 + ... + 4122124.

It is an arithmetic number, because the mean of its divisors is an integer number (28854735).

Almost surely, 2^164884180 is an apocalyptic number.

164884180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164884180 is an abundant number, since it is smaller than the sum of its proper divisors (181372640).

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

164884180 is a wasteful number, since it uses less digits than its factorization.

164884180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8244218 (or 8244216 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 40.

The square root of 164884180 is about 12840.7234998656. The cubic root of 164884180 is about 548.3522918112.

The spelling of 164884180 in words is "one hundred sixty-four million, eight hundred eighty-four thousand, one hundred eighty".