164501728788 has 48 divisors (see below), whose sum is σ = 387781579584. Its totient is φ = 54270854400.

The previous prime is 164501728751. The next prime is 164501728793. The reversal of 164501728788 is 887827105461.

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, 3438931 + ... + 3486437.

It is an arithmetic number, because the mean of its divisors is an integer number (8078782908).

Almost surely, 2^164501728788 is an apocalyptic number.

It is an amenable number.

164501728788 is an abundant number, since it is smaller than the sum of its proper divisors (223279850796).

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

164501728788 is a wasteful number, since it uses less digits than its factorization.

164501728788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50472 (or 50470 counting only the distinct ones).

The product of its (nonzero) digits is 6021120, while the sum is 57.

The spelling of 164501728788 in words is "one hundred sixty-four billion, five hundred one million, seven hundred twenty-eight thousand, seven hundred eighty-eight".