663062490 has 64 divisors (see below), whose sum is σ = 1770854400. Its totient is φ = 176548032.

The previous prime is 663062479. The next prime is 663062557. The reversal of 663062490 is 94260366.

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, 228871 + ... + 231749.

It is an arithmetic number, because the mean of its divisors is an integer number (27669600).

Almost surely, 2^663062490 is an apocalyptic number.

663062490 is an abundant number, since it is smaller than the sum of its proper divisors (1107791910).

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

663062490 is a wasteful number, since it uses less digits than its factorization.

663062490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3748 (or 3742 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 663062490 is about 25749.9998058252. Note that the first 3 decimals coincide. The cubic root of 663062490 is about 872.0033500489.

The spelling of 663062490 in words is "six hundred sixty-three million, sixty-two thousand, four hundred ninety".