12164505599 has 16 divisors (see below), whose sum is σ = 12588998400. Its totient is φ = 11748574656.

The previous prime is 12164505593. The next prime is 12164505611. The reversal of 12164505599 is 99550546121.

It is not a de Polignac number, because 12164505599 - 2⁴ = 12164505583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12164505593) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1127372 + ... + 1138110.

It is an arithmetic number, because the mean of its divisors is an integer number (786812400).

Almost surely, 2^12164505599 is an apocalyptic number.

12164505599 is a deficient number, since it is larger than the sum of its proper divisors (424492801).

12164505599 is a wasteful number, since it uses less digits than its factorization.

12164505599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11134.

The product of its (nonzero) digits is 486000, while the sum is 47.

The spelling of 12164505599 in words is "twelve billion, one hundred sixty-four million, five hundred five thousand, five hundred ninety-nine".