2357161856 has 128 divisors (see below), whose sum is σ = 5585112000. Its totient is φ = 990173184.

The previous prime is 2357161841. The next prime is 2357161889. The reversal of 2357161856 is 6581617532.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2326406 + ... + 2327418.

Almost surely, 2^2357161856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2357161856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2792556000).

2357161856 is an abundant number, since it is smaller than the sum of its proper divisors (3227950144).

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

2357161856 is an equidigital number, since it uses as much as digits as its factorization.

2357161856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101 (or 1075 counting only the distinct ones).

The product of its digits is 302400, while the sum is 44.

The square root of 2357161856 is about 48550.6112834844. The cubic root of 2357161856 is about 1330.8521224474.

The spelling of 2357161856 in words is "two billion, three hundred fifty-seven million, one hundred sixty-one thousand, eight hundred fifty-six".