6690633264 has 120 divisors (see below), whose sum is σ = 22340110320. Its totient is φ = 1911603456.

The previous prime is 6690633263. The next prime is 6690633269. The reversal of 6690633264 is 4623360966.

It is a happy number.

6690633264 is a `hidden beast` number, since 6 + 6 + 9 + 0 + 633 + 2 + 6 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (6690633263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136869 + ... + 179204.

It is an arithmetic number, because the mean of its divisors is an integer number (186167586).

Almost surely, 2^6690633264 is an apocalyptic number.

It is an amenable number.

6690633264 is an abundant number, since it is smaller than the sum of its proper divisors (15649477056).

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

6690633264 is a wasteful number, since it uses less digits than its factorization.

6690633264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316104 (or 316085 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 45.

The square root of 6690633264 is about 81796.2912606678. The cubic root of 6690633264 is about 1884.3247036599.

The spelling of 6690633264 in words is "six billion, six hundred ninety million, six hundred thirty-three thousand, two hundred sixty-four".