26168733644 has 24 divisors (see below), whose sum is σ = 47807843328. Its totient is φ = 12509860880.

The previous prime is 26168733629. The next prime is 26168733671. The reversal of 26168733644 is 44633786162.

It is a junction number, because it is equal to n+sod(n) for n = 26168733592 and 26168733601.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145829 + ... + 271299.

It is an arithmetic number, because the mean of its divisors is an integer number (1991993472).

Almost surely, 2^26168733644 is an apocalyptic number.

It is an amenable number.

26168733644 is a deficient number, since it is larger than the sum of its proper divisors (21639109684).

26168733644 is a wasteful number, since it uses less digits than its factorization.

26168733644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127765 (or 127763 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 50.

The spelling of 26168733644 in words is "twenty-six billion, one hundred sixty-eight million, seven hundred thirty-three thousand, six hundred forty-four".