26883645656 has 64 divisors (see below), whose sum is σ = 61516800000. Its totient is φ = 10765399680.

The previous prime is 26883645617. The next prime is 26883645689. The reversal of 26883645656 is 65654638862.

It is a junction number, because it is equal to n+sod(n) for n = 26883645595 and 26883645604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216656 + ... + 317343.

It is an arithmetic number, because the mean of its divisors is an integer number (961200000).

Almost surely, 2^26883645656 is an apocalyptic number.

It is an amenable number.

26883645656 is an abundant number, since it is smaller than the sum of its proper divisors (34633154344).

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

26883645656 is a wasteful number, since it uses less digits than its factorization.

26883645656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534072 (or 534068 counting only the distinct ones).

The product of its digits is 49766400, while the sum is 59.

The spelling of 26883645656 in words is "twenty-six billion, eight hundred eighty-three million, six hundred forty-five thousand, six hundred fifty-six".