13639906168 has 48 divisors (see below), whose sum is σ = 30776203800. Its totient is φ = 5644094400.

The previous prime is 13639906141. The next prime is 13639906171. The reversal of 13639906168 is 86160993631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 588558 + ... + 611293.

Almost surely, 2^13639906168 is an apocalyptic number.

It is an amenable number.

13639906168 is an abundant number, since it is smaller than the sum of its proper divisors (17136297632).

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

13639906168 is a wasteful number, since it uses less digits than its factorization.

13639906168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199900 (or 1199889 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 52.

The spelling of 13639906168 in words is "thirteen billion, six hundred thirty-nine million, nine hundred six thousand, one hundred sixty-eight".