164136631724 has 12 divisors (see below), whose sum is σ = 309334421424. Its totient is φ = 75755368464.

The previous prime is 164136631699. The next prime is 164136631733. The reversal of 164136631724 is 427136631461.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1578236792 + ... + 1578236895.

It is an arithmetic number, because the mean of its divisors is an integer number (25777868452).

Almost surely, 2^164136631724 is an apocalyptic number.

It is an amenable number.

164136631724 is a deficient number, since it is larger than the sum of its proper divisors (145197789700).

164136631724 is a wasteful number, since it uses less digits than its factorization.

164136631724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3156473704 (or 3156473702 counting only the distinct ones).

The product of its digits is 435456, while the sum is 44.

The spelling of 164136631724 in words is "one hundred sixty-four billion, one hundred thirty-six million, six hundred thirty-one thousand, seven hundred twenty-four".