2113163256 has 32 divisors (see below), whose sum is σ = 5292098640. Its totient is φ = 703162368.

The previous prime is 2113163251. The next prime is 2113163303. The reversal of 2113163256 is 6523613112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113163251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62451 + ... + 90146.

Almost surely, 2^2113163256 is an apocalyptic number.

It is an amenable number.

2113163256 is an abundant number, since it is smaller than the sum of its proper divisors (3178935384).

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

2113163256 is a wasteful number, since it uses less digits than its factorization.

2113163256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153183 (or 153179 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 2113163256 is about 45969.1554849553. The cubic root of 2113163256 is about 1283.2492432823.

Adding to 2113163256 its reverse (6523613112), we get a palindrome (8636776368).

The spelling of 2113163256 in words is "two billion, one hundred thirteen million, one hundred sixty-three thousand, two hundred fifty-six".