668114625 has 32 divisors (see below), whose sum is σ = 1113480576. Its totient is φ = 355771200.

The previous prime is 668114617. The next prime is 668114633. The reversal of 668114625 is 526411866.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (668114617) and next prime (668114633).

It is not a de Polignac number, because 668114625 - 2³ = 668114617 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 372982 + ... + 374768.

It is an arithmetic number, because the mean of its divisors is an integer number (34796268).

Almost surely, 2^668114625 is an apocalyptic number.

It is an amenable number.

668114625 is a deficient number, since it is larger than the sum of its proper divisors (445365951).

668114625 is a wasteful number, since it uses less digits than its factorization.

668114625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2802 (or 2792 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 668114625 is about 25847.9133587220. The cubic root of 668114625 is about 874.2124614613.

The spelling of 668114625 in words is "six hundred sixty-eight million, one hundred fourteen thousand, six hundred twenty-five".