57236111166 has 48 divisors (see below), whose sum is σ = 124020733824. Its totient is φ = 17601790752.

The previous prime is 57236111143. The next prime is 57236111167. The reversal of 57236111166 is 66111163275.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57236111167) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2041455 + ... + 2069301.

It is an arithmetic number, because the mean of its divisors is an integer number (2583765288).

Almost surely, 2^57236111166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57236111166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62010366912).

57236111166 is an abundant number, since it is smaller than the sum of its proper divisors (66784622658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57236111166 is a wasteful number, since it uses less digits than its factorization.

57236111166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29905 (or 29892 counting only the distinct ones).

The product of its digits is 45360, while the sum is 39.

The spelling of 57236111166 in words is "fifty-seven billion, two hundred thirty-six million, one hundred eleven thousand, one hundred sixty-six".