57345630665 has 4 divisors (see below), whose sum is σ = 68814756804. Its totient is φ = 45876504528.

The previous prime is 57345630623. The next prime is 57345630677. The reversal of 57345630665 is 56603654375.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13842934336 + 43502696329 = 117656^2 + 208573^2 .

It is a cyclic number.

It is not a de Polignac number, because 57345630665 - 2¹⁴ = 57345614281 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5734563062 + ... + 5734563071.

It is an arithmetic number, because the mean of its divisors is an integer number (17203689201).

Almost surely, 2^57345630665 is an apocalyptic number.

It is an amenable number.

57345630665 is a deficient number, since it is larger than the sum of its proper divisors (11469126139).

57345630665 is a wasteful number, since it uses less digits than its factorization.

57345630665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11469126138.

The product of its (nonzero) digits is 6804000, while the sum is 50.

The spelling of 57345630665 in words is "fifty-seven billion, three hundred forty-five million, six hundred thirty thousand, six hundred sixty-five".