26566356064 has 48 divisors (see below), whose sum is σ = 53602075296. Its totient is φ = 12953420800.

The previous prime is 26566356049. The next prime is 26566356067. The reversal of 26566356064 is 46065366562.

It is a junction number, because it is equal to n+sod(n) for n = 26566355999 and 26566356017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26566356067) 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, 5451549 + ... + 5456419.

It is an arithmetic number, because the mean of its divisors is an integer number (1116709902).

Almost surely, 2^26566356064 is an apocalyptic number.

It is an amenable number.

26566356064 is an abundant number, since it is smaller than the sum of its proper divisors (27035719232).

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

26566356064 is a wasteful number, since it uses less digits than its factorization.

26566356064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9079 (or 9071 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 49.

The spelling of 26566356064 in words is "twenty-six billion, five hundred sixty-six million, three hundred fifty-six thousand, sixty-four".