2162318256 has 270 divisors, whose sum is σ = 7468790940. Its totient is φ = 580680576.

The previous prime is 2162318233. The next prime is 2162318261. The reversal of 2162318256 is 6528132612.

2162318256 is a `hidden beast` number, since 2 + 1 + 623 + 1 + 8 + 25 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2162318256.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 17026065 + ... + 17026191.

Almost surely, 2^2162318256 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 2162318256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3734395470).

2162318256 is an abundant number, since it is smaller than the sum of its proper divisors (5306472684).

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

2162318256 is a wasteful number, since it uses less digits than its factorization.

2162318256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301 (or 158 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 2162318256 is about 46500.7339296919. The cubic root of 2162318256 is about 1293.1231052590.

The spelling of 2162318256 in words is "two billion, one hundred sixty-two million, three hundred eighteen thousand, two hundred fifty-six".