164507809888 has 24 divisors (see below), whose sum is σ = 332628124752. Its totient is φ = 80030825856.

The previous prime is 164507809883. The next prime is 164507810057. The reversal of 164507809888 is 888908705461.

It is a happy number.

164507809888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×164507809888³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164507809883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69470020 + ... + 69472387.

It is an arithmetic number, because the mean of its divisors is an integer number (13859505198).

Almost surely, 2^164507809888 is an apocalyptic number.

It is an amenable number.

164507809888 is an abundant number, since it is smaller than the sum of its proper divisors (168120314864).

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

164507809888 is a wasteful number, since it uses less digits than its factorization.

164507809888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138942454 (or 138942446 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 64.

The spelling of 164507809888 in words is "one hundred sixty-four billion, five hundred seven million, eight hundred nine thousand, eight hundred eighty-eight".