2656137120 has 768 divisors, whose sum is σ = 11278310400. Its totient is φ = 520224768.

The previous prime is 2656137119. The next prime is 2656137151. The reversal of 2656137120 is 217316562.

2656137120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 36385404 + ... + 36385476.

It is an arithmetic number, because the mean of its divisors is an integer number (14685300).

Almost surely, 2^2656137120 is an apocalyptic number.

2656137120 is a gapful number since it is divisible by the number (20) 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 2656137120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5639155200).

2656137120 is an abundant number, since it is smaller than the sum of its proper divisors (8622173280).

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

2656137120 is a wasteful number, since it uses less digits than its factorization.

2656137120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 2656137120 is about 51537.7252117320. The cubic root of 2656137120 is about 1384.8949461343.

The spelling of 2656137120 in words is "two billion, six hundred fifty-six million, one hundred thirty-seven thousand, one hundred twenty".