12396165916 has 24 divisors (see below), whose sum is σ = 22208238864. Its totient is φ = 6052636800.

The previous prime is 12396165911. The next prime is 12396165923. The reversal of 12396165916 is 61956169321.

It is a self number, because there is not a number n which added to its sum of digits gives 12396165916.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12396165911) 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, 180670 + ... + 239653.

It is an arithmetic number, because the mean of its divisors is an integer number (925343286).

Almost surely, 2^12396165916 is an apocalyptic number.

It is an amenable number.

12396165916 is a deficient number, since it is larger than the sum of its proper divisors (9812072948).

12396165916 is a wasteful number, since it uses less digits than its factorization.

12396165916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420501 (or 420499 counting only the distinct ones).

The product of its digits is 524880, while the sum is 49.

The spelling of 12396165916 in words is "twelve billion, three hundred ninety-six million, one hundred sixty-five thousand, nine hundred sixteen".