12168367937604 has 144 divisors (see below), whose sum is σ = 32565894221952. Its totient is φ = 3823100176896.

The previous prime is 12168367937591. The next prime is 12168367937639. The reversal of 12168367937604 is 40673976386121.

It is a happy number.

12168367937604 is a `hidden beast` number, since 1 + 2 + 16 + 8 + 3 + 6 + 7 + 9 + 3 + 7 + 604 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 65973199 + ... + 66157385.

It is an arithmetic number, because the mean of its divisors is an integer number (226152043208).

Almost surely, 2^{12168367937604} 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 12168367937604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16282947110976).

12168367937604 is an abundant number, since it is smaller than the sum of its proper divisors (20397526284348).

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

12168367937604 is a wasteful number, since it uses less digits than its factorization.

12168367937604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185386 (or 185381 counting only the distinct ones).

The product of its (nonzero) digits is 54867456, while the sum is 63.

The spelling of 12168367937604 in words is "twelve trillion, one hundred sixty-eight billion, three hundred sixty-seven million, nine hundred thirty-seven thousand, six hundred four".