15791613212 has 12 divisors (see below), whose sum is σ = 27753931296. Its totient is φ = 7861918560.

The previous prime is 15791613193. The next prime is 15791613329. The reversal of 15791613212 is 21231619751.

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, 8470964 + ... + 8472827.

It is an arithmetic number, because the mean of its divisors is an integer number (2312827608).

Almost surely, 2^15791613212 is an apocalyptic number.

It is an amenable number.

15791613212 is a deficient number, since it is larger than the sum of its proper divisors (11962318084).

15791613212 is a wasteful number, since it uses less digits than its factorization.

15791613212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16944028 (or 16944026 counting only the distinct ones).

The product of its digits is 22680, while the sum is 38.

The spelling of 15791613212 in words is "fifteen billion, seven hundred ninety-one million, six hundred thirteen thousand, two hundred twelve".