6627660251 has 8 divisors (see below), whose sum is σ = 6677610240. Its totient is φ = 6577742952.

The previous prime is 6627660233. The next prime is 6627660253. The reversal of 6627660251 is 1520667266.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6627660251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6627660199 and 6627660208.

It is not an unprimeable number, because it can be changed into a prime (6627660253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 530786 + ... + 543128.

It is an arithmetic number, because the mean of its divisors is an integer number (834701280).

Almost surely, 2^6627660251 is an apocalyptic number.

6627660251 is a deficient number, since it is larger than the sum of its proper divisors (49949989).

6627660251 is a wasteful number, since it uses less digits than its factorization.

6627660251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16345.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 6627660251 is about 81410.4431323156. The cubic root of 6627660251 is about 1878.3942312168.

The spelling of 6627660251 in words is "six billion, six hundred twenty-seven million, six hundred sixty thousand, two hundred fifty-one".