15972668290 has 16 divisors (see below), whose sum is σ = 28927191168. Its totient is φ = 6349869936.

The previous prime is 15972668263. The next prime is 15972668293. The reversal of 15972668290 is 9286627951.

It is a super-2 number, since 2×15972668290² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15972668293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4897962 + ... + 4901221.

It is an arithmetic number, because the mean of its divisors is an integer number (1807949448).

Almost surely, 2^15972668290 is an apocalyptic number.

15972668290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15972668290 is a deficient number, since it is larger than the sum of its proper divisors (12954522878).

15972668290 is a wasteful number, since it uses less digits than its factorization.

15972668290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9799353.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The spelling of 15972668290 in words is "fifteen billion, nine hundred seventy-two million, six hundred sixty-eight thousand, two hundred ninety".