2656964266 has 16 divisors (see below), whose sum is σ = 4357590048. Its totient is φ = 1204980400.

The previous prime is 2656964263. The next prime is 2656964267. The reversal of 2656964266 is 6624696562.

It is a happy number.

It is a super-2 number, since 2×2656964266² = 14118918221601837512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2656964263) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 126565 + ... + 146056.

It is an arithmetic number, because the mean of its divisors is an integer number (272349378).

Almost surely, 2^2656964266 is an apocalyptic number.

2656964266 is a deficient number, since it is larger than the sum of its proper divisors (1700625782).

2656964266 is a wasteful number, since it uses less digits than its factorization.

2656964266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273077.

The product of its digits is 5598720, while the sum is 52.

The square root of 2656964266 is about 51545.7492524844. The cubic root of 2656964266 is about 1385.0386876376.

It can be divided in two parts, 265696 and 4266, that added together give a palindrome (269962).

The spelling of 2656964266 in words is "two billion, six hundred fifty-six million, nine hundred sixty-four thousand, two hundred sixty-six".