5660660651 has 2 divisors, whose sum is σ = 5660660652. Its totient is φ = 5660660650.

The previous prime is 5660660647. The next prime is 5660660699. The reversal of 5660660651 is 1560660665.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5660660651 - 2² = 5660660647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5660660599 and 5660660608.

It is not a weakly prime, because it can be changed into another prime (5660660611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2830330325 + 2830330326.

It is an arithmetic number, because the mean of its divisors is an integer number (2830330326).

Almost surely, 2^5660660651 is an apocalyptic number.

5660660651 is a deficient number, since it is larger than the sum of its proper divisors (1).

5660660651 is an equidigital number, since it uses as much as digits as its factorization.

5660660651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 41.

The square root of 5660660651 is about 75237.3620683235. The cubic root of 5660660651 is about 1782.1969937909.

The spelling of 5660660651 in words is "five billion, six hundred sixty million, six hundred sixty thousand, six hundred fifty-one".