7951666608 has 60 divisors (see below), whose sum is σ = 22796410728. Its totient is φ = 2585905920.

The previous prime is 7951666589. The next prime is 7951666627. The reversal of 7951666608 is 8066661597.

It is an interprime number because it is at equal distance from previous prime (7951666589) and next prime (7951666627).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 667510 + ... + 679317.

Almost surely, 2^7951666608 is an apocalyptic number.

It is an amenable number.

7951666608 is an abundant number, since it is smaller than the sum of its proper divisors (14844744120).

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

7951666608 is a wasteful number, since it uses less digits than its factorization.

7951666608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346882 (or 1346873 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The square root of 7951666608 is about 89172.1178844598. The cubic root of 7951666608 is about 1995.9640784804.

The spelling of 7951666608 in words is "seven billion, nine hundred fifty-one million, six hundred sixty-six thousand, six hundred eight".