6635661675 has 48 divisors (see below), whose sum is σ = 11141572608. Its totient is φ = 3484166400.

The previous prime is 6635661671. The next prime is 6635661689. The reversal of 6635661675 is 5761665366.

It is not a de Polignac number, because 6635661675 - 2² = 6635661671 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6635661671) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5425114 + ... + 5426336.

It is an arithmetic number, because the mean of its divisors is an integer number (232116096).

Almost surely, 2^6635661675 is an apocalyptic number.

6635661675 is a deficient number, since it is larger than the sum of its proper divisors (4505910933).

6635661675 is a wasteful number, since it uses less digits than its factorization.

6635661675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2300 (or 2295 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 51.

The square root of 6635661675 is about 81459.5708004897. The cubic root of 6635661675 is about 1879.1498414813.

The spelling of 6635661675 in words is "six billion, six hundred thirty-five million, six hundred sixty-one thousand, six hundred seventy-five".