663420350 has 24 divisors (see below), whose sum is σ = 1250872320. Its totient is φ = 261731520.

The previous prime is 663420343. The next prime is 663420377. The reversal of 663420350 is 53024366.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87230 + ... + 94529.

It is an arithmetic number, because the mean of its divisors is an integer number (52119680).

Almost surely, 2^663420350 is an apocalyptic number.

663420350 is a deficient number, since it is larger than the sum of its proper divisors (587451970).

663420350 is a wasteful number, since it uses less digits than its factorization.

663420350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181844 (or 181839 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 663420350 is about 25756.9476064226. The cubic root of 663420350 is about 872.1601975058.

The spelling of 663420350 in words is "six hundred sixty-three million, four hundred twenty thousand, three hundred fifty".