17972199316 has 12 divisors (see below), whose sum is σ = 31756702432. Its totient is φ = 8898855768.

The previous prime is 17972199283. The next prime is 17972199331. The reversal of 17972199316 is 61399127971.

It is a congruent number.

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, 21810510 + ... + 21811333.

Almost surely, 2^17972199316 is an apocalyptic number.

It is an amenable number.

17972199316 is a deficient number, since it is larger than the sum of its proper divisors (13784503116).

17972199316 is a wasteful number, since it uses less digits than its factorization.

17972199316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43621950 (or 43621948 counting only the distinct ones).

The product of its digits is 1285956, while the sum is 55.

The spelling of 17972199316 in words is "seventeen billion, nine hundred seventy-two million, one hundred ninety-nine thousand, three hundred sixteen".