5660404637 has 2 divisors, whose sum is σ = 5660404638. Its totient is φ = 5660404636.

The previous prime is 5660404579. The next prime is 5660404679. The reversal of 5660404637 is 7364040665.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5627100196 + 33304441 = 75014^2 + 5771^2 .

It is a cyclic number.

It is not a de Polignac number, because 5660404637 - 2¹⁸ = 5660142493 is a prime.

It is a super-2 number, since 2×5660404637² = 64080361309142203538, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5660404594 and 5660404603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5660454637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2830202318 + 2830202319.

It is an arithmetic number, because the mean of its divisors is an integer number (2830202319).

Almost surely, 2^5660404637 is an apocalyptic number.

It is an amenable number.

5660404637 is a deficient number, since it is larger than the sum of its proper divisors (1).

5660404637 is an equidigital number, since it uses as much as digits as its factorization.

5660404637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 41.

The square root of 5660404637 is about 75235.6606736460. The cubic root of 5660404637 is about 1782.1701256514.

The spelling of 5660404637 in words is "five billion, six hundred sixty million, four hundred four thousand, six hundred thirty-seven".