13170990388 has 48 divisors (see below), whose sum is σ = 24682170240. Its totient is φ = 6134515200.

The previous prime is 13170990377. The next prime is 13170990401. The reversal of 13170990388 is 88309907131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2332048 + ... + 2337688.

It is an arithmetic number, because the mean of its divisors is an integer number (514211880).

Almost surely, 2^13170990388 is an apocalyptic number.

It is an amenable number.

13170990388 is a deficient number, since it is larger than the sum of its proper divisors (11511179852).

13170990388 is a wasteful number, since it uses less digits than its factorization.

13170990388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6328 (or 6326 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 49.

The spelling of 13170990388 in words is "thirteen billion, one hundred seventy million, nine hundred ninety thousand, three hundred eighty-eight".