6672912657 has 16 divisors (see below), whose sum is σ = 9224712192. Its totient is φ = 4286126160.

The previous prime is 6672912643. The next prime is 6672912677. The reversal of 6672912657 is 7562192766.

It is not a de Polignac number, because 6672912657 - 2¹¹ = 6672910609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6672912677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136933 + ... + 179154.

It is an arithmetic number, because the mean of its divisors is an integer number (576544512).

Almost surely, 2^6672912657 is an apocalyptic number.

It is an amenable number.

6672912657 is a deficient number, since it is larger than the sum of its proper divisors (2551799535).

6672912657 is a wasteful number, since it uses less digits than its factorization.

6672912657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316348.

The product of its digits is 1905120, while the sum is 51.

The square root of 6672912657 is about 81687.8978613111. The cubic root of 6672912657 is about 1882.6596444912.

The spelling of 6672912657 in words is "six billion, six hundred seventy-two million, nine hundred twelve thousand, six hundred fifty-seven".