12176018664 has 64 divisors (see below), whose sum is σ = 32290799040. Its totient is φ = 3812797440.

The previous prime is 12176018651. The next prime is 12176018693. The reversal of 12176018664 is 46681067121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193147 + ... + 248309.

It is an arithmetic number, because the mean of its divisors is an integer number (504543735).

Almost surely, 2^12176018664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12176018664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16145399520).

12176018664 is an abundant number, since it is smaller than the sum of its proper divisors (20114780376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12176018664 is a wasteful number, since it uses less digits than its factorization.

12176018664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55730 (or 55726 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The spelling of 12176018664 in words is "twelve billion, one hundred seventy-six million, eighteen thousand, six hundred sixty-four".