6690276936 has 144 divisors (see below), whose sum is σ = 21196260540. Its totient is φ = 1900765440.

The previous prime is 6690276851. The next prime is 6690276947. The reversal of 6690276936 is 6396720966.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6415048836 + 275228100 = 80094^2 + 16590^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 633330 + ... + 643806.

Almost surely, 2^6690276936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6690276936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10598130270).

6690276936 is an abundant number, since it is smaller than the sum of its proper divisors (14505983604).

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

6690276936 is a wasteful number, since it uses less digits than its factorization.

6690276936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10684 (or 10670 counting only the distinct ones).

The product of its (nonzero) digits is 4408992, while the sum is 54.

The square root of 6690276936 is about 81794.1130889015. The cubic root of 6690276936 is about 1884.2912514416.

The spelling of 6690276936 in words is "six billion, six hundred ninety million, two hundred seventy-six thousand, nine hundred thirty-six".