162100608138 has 48 divisors (see below), whose sum is σ = 401545250496. Its totient is φ = 46296774720.

The previous prime is 162100608041. The next prime is 162100608143. The reversal of 162100608138 is 831806001261.

162100608138 is a `hidden beast` number, since 1 + 6 + 2 + 10 + 0 + 608 + 1 + 38 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87453 + ... + 576063.

It is an arithmetic number, because the mean of its divisors is an integer number (8365526052).

Almost surely, 2^162100608138 is an apocalyptic number.

162100608138 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

162100608138 is an abundant number, since it is smaller than the sum of its proper divisors (239444642358).

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

162100608138 is a wasteful number, since it uses less digits than its factorization.

162100608138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491259 (or 491256 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

Adding to 162100608138 its reverse (831806001261), we get a palindrome (993906609399).

The spelling of 162100608138 in words is "one hundred sixty-two billion, one hundred million, six hundred eight thousand, one hundred thirty-eight".