663160425 has 24 divisors (see below), whose sum is σ = 1097700576. Its totient is φ = 353274240.

The previous prime is 663160417. The next prime is 663160451. The reversal of 663160425 is 524061366.

It is not a de Polignac number, because 663160425 - 2³ = 663160417 is a prime.

It is a Curzon 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, 66357 + ... + 75693.

It is an arithmetic number, because the mean of its divisors is an integer number (45737524).

Almost surely, 2^663160425 is an apocalyptic number.

It is an amenable number.

663160425 is a deficient number, since it is larger than the sum of its proper divisors (434540151).

663160425 is a wasteful number, since it uses less digits than its factorization.

663160425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10297 (or 10292 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 663160425 is about 25751.9013861113. The cubic root of 663160425 is about 872.0462798607.

The spelling of 663160425 in words is "six hundred sixty-three million, one hundred sixty thousand, four hundred twenty-five".