6690883662 has 20 divisors (see below), whose sum is σ = 14992535976. Its totient is φ = 2230294500.

The previous prime is 6690883651. The next prime is 6690883699. The reversal of 6690883662 is 2663880966.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 6690883599 and 6690883608.

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 9 ways as a sum of consecutive naturals, for example, 20650714 + ... + 20651037.

Almost surely, 2^6690883662 is an apocalyptic number.

6690883662 is an abundant number, since it is smaller than the sum of its proper divisors (8301652314).

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

6690883662 is a wasteful number, since it uses less digits than its factorization.

6690883662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41301765 (or 41301756 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 54.

The square root of 6690883662 is about 81797.8218658663. The cubic root of 6690883662 is about 1884.3482104159.

The spelling of 6690883662 in words is "six billion, six hundred ninety million, eight hundred eighty-three thousand, six hundred sixty-two".