2119163256 has 128 divisors (see below), whose sum is σ = 6741504000. Its totient is φ = 604215936.

The previous prime is 2119163251. The next prime is 2119163257. The reversal of 2119163256 is 6523619112.

2119163256 is a `hidden beast` number, since 2 + 1 + 19 + 1 + 632 + 5 + 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 2119163256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2119163251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 916630 + ... + 918938.

It is an arithmetic number, because the mean of its divisors is an integer number (52668000).

Almost surely, 2^2119163256 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 2119163256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3370752000).

2119163256 is an abundant number, since it is smaller than the sum of its proper divisors (4622340744).

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

2119163256 is a wasteful number, since it uses less digits than its factorization.

2119163256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2938 (or 2928 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 2119163256 is about 46034.3703769260. The cubic root of 2119163256 is about 1284.4626248066.

The spelling of 2119163256 in words is "two billion, one hundred nineteen million, one hundred sixty-three thousand, two hundred fifty-six".