12167664398 has 8 divisors (see below), whose sum is σ = 18413014608. Its totient is φ = 6029992864.

The previous prime is 12167664343. The next prime is 12167664407. The reversal of 12167664398 is 89346676121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26919386 + ... + 26919837.

It is an arithmetic number, because the mean of its divisors is an integer number (2301626826).

Almost surely, 2^12167664398 is an apocalyptic number.

12167664398 is a deficient number, since it is larger than the sum of its proper divisors (6245350210).

12167664398 is a wasteful number, since it uses less digits than its factorization.

12167664398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53839338.

The product of its digits is 2612736, while the sum is 53.

The spelling of 12167664398 in words is "twelve billion, one hundred sixty-seven million, six hundred sixty-four thousand, three hundred ninety-eight".