2163027456 has 160 divisors (see below), whose sum is σ = 6682072320. Its totient is φ = 689559552.

The previous prime is 2163027443. The next prime is 2163027463. The reversal of 2163027456 is 6547203612.

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 2163027456.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314551 + ... + 321353.

It is an arithmetic number, because the mean of its divisors is an integer number (41762952).

Almost surely, 2^2163027456 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 2163027456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3341036160).

2163027456 is an abundant number, since it is smaller than the sum of its proper divisors (4519044864).

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

2163027456 is an equidigital number, since it uses as much as digits as its factorization.

2163027456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6853 (or 6831 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 2163027456 is about 46508.3589906159. The cubic root of 2163027456 is about 1293.2644632143.

The spelling of 2163027456 in words is "two billion, one hundred sixty-three million, twenty-seven thousand, four hundred fifty-six".