164884412880 has 120 divisors (see below), whose sum is σ = 604076559840. Its totient is φ = 39971976960.

The previous prime is 164884412873. The next prime is 164884412897. The reversal of 164884412880 is 88214488461.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×164884412880² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10401450 + ... + 10417289.

It is an arithmetic number, because the mean of its divisors is an integer number (5033971332).

Almost surely, 2^164884412880 is an apocalyptic number.

164884412880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164884412880 is an abundant number, since it is smaller than the sum of its proper divisors (439192146960).

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

164884412880 is a wasteful number, since it uses less digits than its factorization.

164884412880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20818769 (or 20818760 counting only the distinct ones).

The product of its (nonzero) digits is 3145728, while the sum is 54.

The spelling of 164884412880 in words is "one hundred sixty-four billion, eight hundred eighty-four million, four hundred twelve thousand, eight hundred eighty".