164013320138 has 16 divisors (see below), whose sum is σ = 254910382560. Its totient is φ = 79095643536.

The previous prime is 164013320113. The next prime is 164013320179. The reversal of 164013320138 is 831023310461.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13106420 + ... + 13118927.

It is an arithmetic number, because the mean of its divisors is an integer number (15931898910).

Almost surely, 2^164013320138 is an apocalyptic number.

164013320138 is a deficient number, since it is larger than the sum of its proper divisors (90897062422).

164013320138 is a wasteful number, since it uses less digits than its factorization.

164013320138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26225461.

The product of its (nonzero) digits is 10368, while the sum is 32.

Adding to 164013320138 its reverse (831023310461), we get a palindrome (995036630599).

The spelling of 164013320138 in words is "one hundred sixty-four billion, thirteen million, three hundred twenty thousand, one hundred thirty-eight".