57560166889 has 9 divisors (see below), whose sum is σ = 59620649413. Its totient is φ = 55568615872.

The previous prime is 57560166883. The next prime is 57560166893. The reversal of 57560166889 is 98866106575.

The square root of 57560166889 is 239917.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 4978008025 + 52582158864 = 70555^2 + 229308^2 .

It is not a de Polignac number, because 57560166889 - 2⁵ = 57560166857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57560166883) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6953457 + ... + 6961729.

Almost surely, 2^57560166889 is an apocalyptic number.

57560166889 is the 239917-th square number.

57560166889 is the 119959-th centered octagonal number.

It is an amenable number.

57560166889 is a deficient number, since it is larger than the sum of its proper divisors (2060482524).

57560166889 is an frugal number, since it uses more digits than its factorization.

57560166889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16604 (or 8302 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 61.

The spelling of 57560166889 in words is "fifty-seven billion, five hundred sixty million, one hundred sixty-six thousand, eight hundred eighty-nine".