6630316918 has 16 divisors (see below), whose sum is σ = 10100203200. Its totient is φ = 3263644296.

The previous prime is 6630316877. The next prime is 6630316919. The reversal of 6630316918 is 8196130366.

It is a super-2 number, since 2×6630316918² = 87922204866234037448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6630316919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213105 + ... + 242227.

It is an arithmetic number, because the mean of its divisors is an integer number (631262700).

Almost surely, 2^6630316918 is an apocalyptic number.

6630316918 is a deficient number, since it is larger than the sum of its proper divisors (3469886282).

6630316918 is a wasteful number, since it uses less digits than its factorization.

6630316918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30891.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 6630316918 is about 81426.7579976017. The cubic root of 6630316918 is about 1878.6451795732.

The spelling of 6630316918 in words is "six billion, six hundred thirty million, three hundred sixteen thousand, nine hundred eighteen".