164165912828 has 12 divisors (see below), whose sum is σ = 289926039480. Its totient is φ = 81329901552.

The previous prime is 164165912753. The next prime is 164165912893. The reversal of 164165912828 is 828219561461.

It is a self number, because there is not a number n which added to its sum of digits gives 164165912828.

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 3 ways as a sum of consecutive naturals, for example, 188263226 + ... + 188264097.

It is an arithmetic number, because the mean of its divisors is an integer number (24160503290).

Almost surely, 2^164165912828 is an apocalyptic number.

It is an amenable number.

164165912828 is a deficient number, since it is larger than the sum of its proper divisors (125760126652).

164165912828 is a wasteful number, since it uses less digits than its factorization.

164165912828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376527436 (or 376527434 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 53.

The spelling of 164165912828 in words is "one hundred sixty-four billion, one hundred sixty-five million, nine hundred twelve thousand, eight hundred twenty-eight".