15797653266 has 8 divisors (see below), whose sum is σ = 31595306544. Its totient is φ = 5265884420.

The previous prime is 15797653243. The next prime is 15797653279. The reversal of 15797653266 is 66235679751.

It is a sphenic number, since it is the product of 3 distinct primes.

15797653266 is an admirable 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, 1316471100 + ... + 1316471111.

It is an arithmetic number, because the mean of its divisors is an integer number (3949413318).

Almost surely, 2^15797653266 is an apocalyptic number.

15797653266 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

15797653266 is a wasteful number, since it uses less digits than its factorization.

15797653266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2632942216.

The product of its digits is 14288400, while the sum is 57.

The spelling of 15797653266 in words is "fifteen billion, seven hundred ninety-seven million, six hundred fifty-three thousand, two hundred sixty-six".