974199664368 has 120 divisors (see below), whose sum is σ = 3116152467168. Its totient is φ = 278319545856.

The previous prime is 974199664357. The next prime is 974199664423. The reversal of 974199664368 is 863466991479.

974199664368 is a `hidden beast` number, since 9 + 7 + 41 + 99 + 66 + 436 + 8 = 666.

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 974199664296 and 974199664305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14737246 + ... + 14803202.

Almost surely, 2^974199664368 is an apocalyptic number.

It is an amenable number.

974199664368 is an abundant number, since it is smaller than the sum of its proper divisors (2141952802800).

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

974199664368 is a wasteful number, since it uses less digits than its factorization.

974199664368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80631 (or 80622 counting only the distinct ones).

The product of its digits is 423263232, while the sum is 72.

The spelling of 974199664368 in words is "nine hundred seventy-four billion, one hundred ninety-nine million, six hundred sixty-four thousand, three hundred sixty-eight".