6690630376 has 16 divisors (see below), whose sum is σ = 12883984740. Its totient is φ = 3254901120.

The previous prime is 6690630371. The next prime is 6690630389. The reversal of 6690630376 is 6730360966.

It can be written as a sum of positive squares in 2 ways, for example, as 6581427876 + 109202500 = 81126^2 + 10450^2 .

It is not an unprimeable number, because it can be changed into a prime (6690630371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11301445 + ... + 11302036.

Almost surely, 2^6690630376 is an apocalyptic number.

It is an amenable number.

6690630376 is a deficient number, since it is larger than the sum of its proper divisors (6193354364).

6690630376 is a wasteful number, since it uses less digits than its factorization.

6690630376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22603524 (or 22603520 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 46.

The square root of 6690630376 is about 81796.2736070538. The cubic root of 6690630376 is about 1884.3244325380.

The spelling of 6690630376 in words is "six billion, six hundred ninety million, six hundred thirty thousand, three hundred seventy-six".