971916968 has 32 divisors (see below), whose sum is σ = 2025531360. Its totient is φ = 433442880.

The previous prime is 971916949. The next prime is 971916973. The reversal of 971916968 is 869619179.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99530 + ... + 108857.

It is an arithmetic number, because the mean of its divisors is an integer number (63297855).

Almost surely, 2^971916968 is an apocalyptic number.

It is an amenable number.

971916968 is an abundant number, since it is smaller than the sum of its proper divisors (1053614392).

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

971916968 is a wasteful number, since it uses less digits than its factorization.

971916968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208457 (or 208453 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 56.

The square root of 971916968 is about 31175.5828814795. The cubic root of 971916968 is about 990.5499675253.

The spelling of 971916968 in words is "nine hundred seventy-one million, nine hundred sixteen thousand, nine hundred sixty-eight".