57061290161 has 4 divisors (see below), whose sum is σ = 57093294912. Its totient is φ = 57029285412.

The previous prime is 57061290133. The next prime is 57061290191. The reversal of 57061290161 is 16109216075.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57061290161 - 2¹⁴ = 57061273777 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57061290191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15999701 + ... + 16003266.

It is an arithmetic number, because the mean of its divisors is an integer number (14273323728).

Almost surely, 2^57061290161 is an apocalyptic number.

It is an amenable number.

57061290161 is a deficient number, since it is larger than the sum of its proper divisors (32004751).

57061290161 is a wasteful number, since it uses less digits than its factorization.

57061290161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32004750.

The product of its (nonzero) digits is 22680, while the sum is 38.

The spelling of 57061290161 in words is "fifty-seven billion, sixty-one million, two hundred ninety thousand, one hundred sixty-one".