6630342687 has 96 divisors (see below), whose sum is σ = 10639669248. Its totient is φ = 3966133248.

The previous prime is 6630342683. The next prime is 6630342689. The reversal of 6630342687 is 7862430366.

6630342687 is a `hidden beast` number, since 6 + 630 + 3 + 4 + 2 + 6 + 8 + 7 = 666.

It is not a de Polignac number, because 6630342687 - 2² = 6630342683 is a prime.

It is a super-2 number, since 2×6630342687² = 87922888294108759938, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6630342683) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 40676868 + ... + 40677030.

It is an arithmetic number, because the mean of its divisors is an integer number (110829888).

Almost surely, 2^6630342687 is an apocalyptic number.

6630342687 is a deficient number, since it is larger than the sum of its proper divisors (4009326561).

6630342687 is a wasteful number, since it uses less digits than its factorization.

6630342687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

The square root of 6630342687 is about 81426.9162316737. The cubic root of 6630342687 is about 1878.6476133807.

The spelling of 6630342687 in words is "six billion, six hundred thirty million, three hundred forty-two thousand, six hundred eighty-seven".