26446166564 has 12 divisors (see below), whose sum is σ = 46645208064. Its totient is φ = 13118964264.

The previous prime is 26446166543. The next prime is 26446166587. The reversal of 26446166564 is 46566164462.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26029184 + ... + 26030199.

It is an arithmetic number, because the mean of its divisors is an integer number (3887100672).

Almost surely, 2^26446166564 is an apocalyptic number.

It is an amenable number.

26446166564 is a deficient number, since it is larger than the sum of its proper divisors (20199041500).

26446166564 is a wasteful number, since it uses less digits than its factorization.

26446166564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52059514 (or 52059512 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 50.

The spelling of 26446166564 in words is "twenty-six billion, four hundred forty-six million, one hundred sixty-six thousand, five hundred sixty-four".