57216161841 has 16 divisors (see below), whose sum is σ = 80313292800. Its totient is φ = 36132064848.

The previous prime is 57216161839. The next prime is 57216161869. The reversal of 57216161841 is 14816161275.

It is not a de Polignac number, because 57216161841 - 2¹ = 57216161839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57216161793 and 57216161802.

It is not an unprimeable number, because it can be changed into a prime (57216161831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 439420 + ... + 554546.

It is an arithmetic number, because the mean of its divisors is an integer number (5019580800).

Almost surely, 2^57216161841 is an apocalyptic number.

It is an amenable number.

57216161841 is a deficient number, since it is larger than the sum of its proper divisors (23097130959).

57216161841 is a wasteful number, since it uses less digits than its factorization.

57216161841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123868.

The product of its digits is 80640, while the sum is 42.

The spelling of 57216161841 in words is "fifty-seven billion, two hundred sixteen million, one hundred sixty-one thousand, eight hundred forty-one".