663107283 has 16 divisors (see below), whose sum is σ = 983859360. Its totient is φ = 441406368.

The previous prime is 663107279. The next prime is 663107293. The reversal of 663107283 is 382701366.

It is a happy number.

663107283 is a `hidden beast` number, since 66 + 310 + 7 + 283 = 666.

It is not a de Polignac number, because 663107283 - 2² = 663107279 is a prime.

It is a super-2 number, since 2×663107283² = 879422537535284178, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (663107213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141 + ... + 36417.

It is an arithmetic number, because the mean of its divisors is an integer number (61491210).

Almost surely, 2^663107283 is an apocalyptic number.

663107283 is a deficient number, since it is larger than the sum of its proper divisors (320752077).

663107283 is a wasteful number, since it uses less digits than its factorization.

663107283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36963 (or 36957 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 663107283 is about 25750.8695581334. The cubic root of 663107283 is about 872.0229855870.

The spelling of 663107283 in words is "six hundred sixty-three million, one hundred seven thousand, two hundred eighty-three".