2656513365426 has 24 divisors (see below), whose sum is σ = 5756259594384. Its totient is φ = 885430511160.

The previous prime is 2656513365307. The next prime is 2656513365427. The reversal of 2656513365426 is 6245633156562.

It is a happy number.

2656513365426 is a `hidden beast` number, since 2 + 6 + 5 + 65 + 1 + 3 + 36 + 542 + 6 = 666.

It is a super-2 number, since 2×2656513365426² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2656513365427) 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 11 ways as a sum of consecutive naturals, for example, 5940240 + ... + 6371771.

It is an arithmetic number, because the mean of its divisors is an integer number (239844149766).

Almost surely, 2^{2656513365426} is an apocalyptic number.

2656513365426 is an abundant number, since it is smaller than the sum of its proper divisors (3099746228958).

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

2656513365426 is a wasteful number, since it uses less digits than its factorization.

2656513365426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12324006 (or 12324003 counting only the distinct ones).

The product of its digits is 23328000, while the sum is 54.

The spelling of 2656513365426 in words is "two trillion, six hundred fifty-six billion, five hundred thirteen million, three hundred sixty-five thousand, four hundred twenty-six".