15849997162 has 8 divisors (see below), whose sum is σ = 23993115300. Its totient is φ = 7852292064.

The previous prime is 15849997157. The next prime is 15849997169. The reversal of 15849997162 is 26179994851.

It can be written as a sum of positive squares in 2 ways, for example, as 15440299081 + 409698081 = 124259^2 + 20241^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 15849997162.

It is not an unprimeable number, because it can be changed into a prime (15849997169) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 36352987 + ... + 36353422.

Almost surely, 2^15849997162 is an apocalyptic number.

15849997162 is a deficient number, since it is larger than the sum of its proper divisors (8143118138).

15849997162 is a wasteful number, since it uses less digits than its factorization.

15849997162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72706520.

The product of its digits is 9797760, while the sum is 61.

The spelling of 15849997162 in words is "fifteen billion, eight hundred forty-nine million, nine hundred ninety-seven thousand, one hundred sixty-two".