630000660676 has 6 divisors (see below), whose sum is σ = 1102501156190. Its totient is φ = 315000330336.

The previous prime is 630000660673. The next prime is 630000660721. The reversal of 630000660676 is 676066000036.

630000660676 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 615110804100 + 14889856576 = 784290^2 + 122024^2 .

It is not an unprimeable number, because it can be changed into a prime (630000660673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78750082581 + ... + 78750082588.

Almost surely, 2^630000660676 is an apocalyptic number.

It is an amenable number.

630000660676 is a deficient number, since it is larger than the sum of its proper divisors (472500495514).

630000660676 is a wasteful number, since it uses less digits than its factorization.

630000660676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157500165173 (or 157500165171 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 40.

The spelling of 630000660676 in words is "six hundred thirty billion, six hundred sixty thousand, six hundred seventy-six".