2160377856 has 540 divisors, whose sum is σ = 8158196592. Its totient is φ = 544997376.

The previous prime is 2160377851. The next prime is 2160377861. The reversal of 2160377856 is 6587730612.

It is an interprime number because it is at equal distance from previous prime (2160377851) and next prime (2160377861).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2160377851) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 93929461 + ... + 93929483.

Almost surely, 2^2160377856 is an apocalyptic number.

2160377856 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2160377856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4079098296).

2160377856 is an abundant number, since it is smaller than the sum of its proper divisors (5997818736).

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

2160377856 is a wasteful number, since it uses less digits than its factorization.

2160377856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 48 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 2160377856 is about 46479.8650600451. The cubic root of 2160377856 is about 1292.7361861126.

The spelling of 2160377856 in words is "two billion, one hundred sixty million, three hundred seventy-seven thousand, eight hundred fifty-six".