6690134936 has 32 divisors (see below), whose sum is σ = 13143794400. Its totient is φ = 3186332160.

The previous prime is 6690134921. The next prime is 6690134947. The reversal of 6690134936 is 6394310966.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 31091 + ... + 119778.

It is an arithmetic number, because the mean of its divisors is an integer number (410743575).

Almost surely, 2^6690134936 is an apocalyptic number.

It is an amenable number.

6690134936 is a deficient number, since it is larger than the sum of its proper divisors (6453659464).

6690134936 is a wasteful number, since it uses less digits than its factorization.

6690134936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151139 (or 151135 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 47.

The square root of 6690134936 is about 81793.2450511654. The cubic root of 6690134936 is about 1884.2779200926.

The spelling of 6690134936 in words is "six billion, six hundred ninety million, one hundred thirty-four thousand, nine hundred thirty-six".