164586544512 has 64 divisors (see below), whose sum is σ = 470812485360. Its totient is φ = 50642012160.

The previous prime is 164586544511. The next prime is 164586544517. The reversal of 164586544512 is 215445685461.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164586544511) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 16480039 + ... + 16490022.

Almost surely, 2^164586544512 is an apocalyptic number.

164586544512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

164586544512 is an abundant number, since it is smaller than the sum of its proper divisors (306225940848).

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

164586544512 is a wasteful number, since it uses less digits than its factorization.

164586544512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32970091 (or 32970079 counting only the distinct ones).

The product of its digits is 4608000, while the sum is 51.

The spelling of 164586544512 in words is "one hundred sixty-four billion, five hundred eighty-six million, five hundred forty-four thousand, five hundred twelve".