164544840312 has 64 divisors (see below), whose sum is σ = 412468308480. Its totient is φ = 54700918272.

The previous prime is 164544840283. The next prime is 164544840323. The reversal of 164544840312 is 213048445461.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 35745003 + ... + 35749605.

It is an arithmetic number, because the mean of its divisors is an integer number (6444817320).

Almost surely, 2^164544840312 is an apocalyptic number.

164544840312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

164544840312 is an abundant number, since it is smaller than the sum of its proper divisors (247923468168).

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

164544840312 is a wasteful number, since it uses less digits than its factorization.

164544840312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8292 (or 8288 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 42.

The spelling of 164544840312 in words is "one hundred sixty-four billion, five hundred forty-four million, eight hundred forty thousand, three hundred twelve".