6365125666 has 8 divisors (see below), whose sum is σ = 10050198480. Its totient is φ = 3015059508.

The previous prime is 6365125643. The next prime is 6365125667. The reversal of 6365125666 is 6665215636.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (6365125667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83751616 + ... + 83751691.

It is an arithmetic number, because the mean of its divisors is an integer number (1256274810).

Almost surely, 2^6365125666 is an apocalyptic number.

6365125666 is a deficient number, since it is larger than the sum of its proper divisors (3685072814).

6365125666 is a wasteful number, since it uses less digits than its factorization.

6365125666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167503328.

The product of its digits is 1166400, while the sum is 46.

The square root of 6365125666 is about 79781.7376722267. The cubic root of 6365125666 is about 1853.2570494267.

The spelling of 6365125666 in words is "six billion, three hundred sixty-five million, one hundred twenty-five thousand, six hundred sixty-six".