26566616716 has 96 divisors (see below), whose sum is σ = 51676692480. Its totient is φ = 11906611200.

The previous prime is 26566616663. The next prime is 26566616717. The reversal of 26566616716 is 61761666562.

It is not an unprimeable number, because it can be changed into a prime (26566616717) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28596540 + ... + 28597468.

It is an arithmetic number, because the mean of its divisors is an integer number (538298880).

Almost surely, 2^26566616716 is an apocalyptic number.

It is an amenable number.

26566616716 is a deficient number, since it is larger than the sum of its proper divisors (25110075764).

26566616716 is a wasteful number, since it uses less digits than its factorization.

26566616716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295 (or 1293 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 52.

The spelling of 26566616716 in words is "twenty-six billion, five hundred sixty-six million, six hundred sixteen thousand, seven hundred sixteen".