15934972822 has 16 divisors (see below), whose sum is σ = 24141360672. Its totient is φ = 7887896640.

The previous prime is 15934972819. The next prime is 15934972841. The reversal of 15934972822 is 22827943951.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 15934972822.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 901978 + ... + 919474.

It is an arithmetic number, because the mean of its divisors is an integer number (1508835042).

Almost surely, 2^15934972822 is an apocalyptic number.

15934972822 is a deficient number, since it is larger than the sum of its proper divisors (8206387850).

15934972822 is a wasteful number, since it uses less digits than its factorization.

15934972822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22023.

The product of its digits is 2177280, while the sum is 52.

The spelling of 15934972822 in words is "fifteen billion, nine hundred thirty-four million, nine hundred seventy-two thousand, eight hundred twenty-two".