164404502880 has 48 divisors (see below), whose sum is σ = 517874185584. Its totient is φ = 43841200640.

The previous prime is 164404502879. The next prime is 164404502893. The reversal of 164404502880 is 88205404461.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-3 number, since 3×164404502880³ (a number of 35 digits) contains 333 as substring.

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, 171254211 + ... + 171255170.

It is an arithmetic number, because the mean of its divisors is an integer number (10789045533).

Almost surely, 2^164404502880 is an apocalyptic number.

164404502880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164404502880 is an abundant number, since it is smaller than the sum of its proper divisors (353469682704).

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

164404502880 is a wasteful number, since it uses less digits than its factorization.

164404502880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342509399 (or 342509391 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 42.

The spelling of 164404502880 in words is "one hundred sixty-four billion, four hundred four million, five hundred two thousand, eight hundred eighty".