2660734056 has 64 divisors (see below), whose sum is σ = 7115834880. Its totient is φ = 826122240.

The previous prime is 2660734049. The next prime is 2660734067. The reversal of 2660734056 is 6504370662.

2660734056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2660734056² = 14159011433516422272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5961 + ... + 73191.

It is an arithmetic number, because the mean of its divisors is an integer number (111184920).

Almost surely, 2^2660734056 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 2660734056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3557917440).

2660734056 is an abundant number, since it is smaller than the sum of its proper divisors (4455100824).

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

2660734056 is a wasteful number, since it uses less digits than its factorization.

2660734056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67354 (or 67350 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 39.

The square root of 2660734056 is about 51582.3037097026. The cubic root of 2660734056 is about 1385.6934245264.

The spelling of 2660734056 in words is "two billion, six hundred sixty million, seven hundred thirty-four thousand, fifty-six".