26564145016 has 32 divisors (see below), whose sum is σ = 51038981280. Its totient is φ = 12953958400.

The previous prime is 26564145011. The next prime is 26564145017. The reversal of 26564145016 is 61054146562.

It is a self number, because there is not a number n which added to its sum of digits gives 26564145016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26564145011) 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, 1175181 + ... + 1197571.

It is an arithmetic number, because the mean of its divisors is an integer number (1594968165).

Almost surely, 2^26564145016 is an apocalyptic number.

It is an amenable number.

26564145016 is a deficient number, since it is larger than the sum of its proper divisors (24474836264).

26564145016 is a wasteful number, since it uses less digits than its factorization.

26564145016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26055 (or 26051 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 26564145016 in words is "twenty-six billion, five hundred sixty-four million, one hundred forty-five thousand, sixteen".