630343566 has 32 divisors (see below), whose sum is σ = 1461669120. Its totient is φ = 200978712.

The previous prime is 630343547. The next prime is 630343591. The reversal of 630343566 is 665343036.

It is a happy number.

630343566 is a `hidden beast` number, since 63 + 0 + 34 + 3 + 566 = 666.

It is a super-2 number, since 2×630343566² = 794666022395192712, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 630343566.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252520 + ... + 255003.

It is an arithmetic number, because the mean of its divisors is an integer number (45677160).

Almost surely, 2^630343566 is an apocalyptic number.

630343566 is an abundant number, since it is smaller than the sum of its proper divisors (831325554).

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

630343566 is a wasteful number, since it uses less digits than its factorization.

630343566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507557 (or 507551 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 36.

The square root of 630343566 is about 25106.6438617351. The cubic root of 630343566 is about 857.4176937948.

The spelling of 630343566 in words is "six hundred thirty million, three hundred forty-three thousand, five hundred sixty-six".