2656460266 has 8 divisors (see below), whose sum is σ = 3996108900. Its totient is φ = 1324423968.

The previous prime is 2656460263. The next prime is 2656460293. The reversal of 2656460266 is 6620646562.

It can be written as a sum of positive squares in 2 ways, for example, as 2532605625 + 123854641 = 50325^2 + 11129^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2656460266² = 14113562289673581512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2656460263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1902211 + ... + 1903606.

Almost surely, 2^2656460266 is an apocalyptic number.

2656460266 is a deficient number, since it is larger than the sum of its proper divisors (1339648634).

2656460266 is a wasteful number, since it uses less digits than its factorization.

2656460266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3806168.

The product of its (nonzero) digits is 622080, while the sum is 43.

The square root of 2656460266 is about 51540.8601596830. The cubic root of 2656460266 is about 1384.9511060255.

The spelling of 2656460266 in words is "two billion, six hundred fifty-six million, four hundred sixty thousand, two hundred sixty-six".