2656196065 has 16 divisors (see below), whose sum is σ = 3234228480. Its totient is φ = 2093869440.

The previous prime is 2656196051. The next prime is 2656196069. The reversal of 2656196065 is 5606916562.

It is a happy number.

2656196065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2656196065 - 2²³ = 2647807457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2656196069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199342 + ... + 212248.

It is an arithmetic number, because the mean of its divisors is an integer number (202139280).

Almost surely, 2^2656196065 is an apocalyptic number.

It is an amenable number.

2656196065 is a deficient number, since it is larger than the sum of its proper divisors (578032415).

2656196065 is a wasteful number, since it uses less digits than its factorization.

2656196065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13512.

The product of its (nonzero) digits is 583200, while the sum is 46.

The square root of 2656196065 is about 51538.2970712072. The cubic root of 2656196065 is about 1384.9051905889.

The spelling of 2656196065 in words is "two billion, six hundred fifty-six million, one hundred ninety-six thousand, sixty-five".