2656746306 has 24 divisors (see below), whose sum is σ = 5762665584. Its totient is φ = 884600280.

The previous prime is 2656746233. The next prime is 2656746371. The reversal of 2656746306 is 6036476562.

2656746306 is a `hidden beast` number, since 2 + 6 + 5 + 6 + 7 + 4 + 630 + 6 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65040 + ... + 97691.

It is an arithmetic number, because the mean of its divisors is an integer number (240111066).

Almost surely, 2^2656746306 is an apocalyptic number.

2656746306 is an abundant number, since it is smaller than the sum of its proper divisors (3105919278).

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

2656746306 is a wasteful number, since it uses less digits than its factorization.

2656746306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163646 (or 163643 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 45.

The square root of 2656746306 is about 51543.6349707702. The cubic root of 2656746306 is about 1385.0008134251. Note that the first 3 decimals are identical.

The spelling of 2656746306 in words is "two billion, six hundred fifty-six million, seven hundred forty-six thousand, three hundred six".