5660645555 has 12 divisors (see below), whose sum is σ = 6909879072. Its totient is φ = 4451748240.

The previous prime is 5660645531. The next prime is 5660645563. The reversal of 5660645555 is 5555460665.

It is not a de Polignac number, because 5660645555 - 2²⁸ = 5392210099 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145211 + ... + 180020.

It is an arithmetic number, because the mean of its divisors is an integer number (575823256).

Almost surely, 2^5660645555 is an apocalyptic number.

5660645555 is a deficient number, since it is larger than the sum of its proper divisors (1249233517).

5660645555 is an equidigital number, since it uses as much as digits as its factorization.

5660645555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325354 (or 325295 counting only the distinct ones).

The product of its (nonzero) digits is 2700000, while the sum is 47.

The square root of 5660645555 is about 75237.2617457600. The cubic root of 5660645555 is about 1782.1954095194.

The spelling of 5660645555 in words is "five billion, six hundred sixty million, six hundred forty-five thousand, five hundred fifty-five".