2656106820394 has 16 divisors (see below), whose sum is σ = 4112728298496. Its totient is φ = 1285198362000.

The previous prime is 2656106820391. The next prime is 2656106820397. The reversal of 2656106820394 is 4930286016562.

2656106820394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2656106820391) and next prime (2656106820397).

It is not an unprimeable number, because it can be changed into a prime (2656106820391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6953344 + ... + 7325380.

It is an arithmetic number, because the mean of its divisors is an integer number (257045518656).

Almost surely, 2^{2656106820394} is an apocalyptic number.

2656106820394 is a deficient number, since it is larger than the sum of its proper divisors (1456621478102).

2656106820394 is a wasteful number, since it uses less digits than its factorization.

2656106820394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487221.

The product of its (nonzero) digits is 3732480, while the sum is 52.

The spelling of 2656106820394 in words is "two trillion, six hundred fifty-six billion, one hundred six million, eight hundred twenty thousand, three hundred ninety-four".