15996171164 has 6 divisors (see below), whose sum is σ = 27993299544. Its totient is φ = 7998085580.

The previous prime is 15996171143. The next prime is 15996171167. The reversal of 15996171164 is 46117169951.

It is a super-2 number, since 2×15996171164² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15996171167) 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 as a sum of consecutive naturals, namely, 1999521392 + ... + 1999521399.

It is an arithmetic number, because the mean of its divisors is an integer number (4665549924).

Almost surely, 2^15996171164 is an apocalyptic number.

It is an amenable number.

15996171164 is a deficient number, since it is larger than the sum of its proper divisors (11997128380).

15996171164 is a wasteful number, since it uses less digits than its factorization.

15996171164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3999042795 (or 3999042793 counting only the distinct ones).

The product of its digits is 408240, while the sum is 50.

The spelling of 15996171164 in words is "fifteen billion, nine hundred ninety-six million, one hundred seventy-one thousand, one hundred sixty-four".