164046511578080 has 96 divisors (see below), whose sum is σ = 388694709849600. Its totient is φ = 65426658734592.

The previous prime is 164046511578031. The next prime is 164046511578127. The reversal of 164046511578080 is 80875115640461.

It is a super-2 number, since 2×164046511578080² (a number of 29 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 15 ways as a sum of consecutive naturals, for example, 107623511 + ... + 109137129.

It is an arithmetic number, because the mean of its divisors is an integer number (4048903227600).

Almost surely, 2^{164046511578080} is an apocalyptic number.

164046511578080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164046511578080 is an abundant number, since it is smaller than the sum of its proper divisors (224648198271520).

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

164046511578080 is a wasteful number, since it uses less digits than its factorization.

164046511578080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1515616 (or 1515608 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 56.

The spelling of 164046511578080 in words is "one hundred sixty-four trillion, forty-six billion, five hundred eleven million, five hundred seventy-eight thousand, eighty".