2656075968 has 672 divisors, whose sum is σ = 10377830400. Its totient is φ = 658409472.

The previous prime is 2656075963. The next prime is 2656075979. The reversal of 2656075968 is 8695706562.

It is a happy number.

2656075968 is a `hidden beast` number, since 2 + 6 + 560 + 75 + 9 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (2656075963) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 20913921 + ... + 20914047.

It is an arithmetic number, because the mean of its divisors is an integer number (15443200).

Almost surely, 2^2656075968 is an apocalyptic number.

2656075968 is a gapful number since it is divisible by the number (28) 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 2656075968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5188915200).

2656075968 is an abundant number, since it is smaller than the sum of its proper divisors (7721754432).

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

2656075968 is a wasteful number, since it uses less digits than its factorization.

2656075968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The square root of 2656075968 is about 51537.1319341696. The cubic root of 2656075968 is about 1384.8843179498.

The spelling of 2656075968 in words is "two billion, six hundred fifty-six million, seventy-five thousand, nine hundred sixty-eight".