26685140368916 has 36 divisors (see below), whose sum is σ = 50347995451488. Its totient is φ = 12370284524928.

The previous prime is 26685140368837. The next prime is 26685140368921. The reversal of 26685140368916 is 61986304158662.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172191440 + ... + 172346343.

It is an arithmetic number, because the mean of its divisors is an integer number (1398555429208).

Almost surely, 2^{26685140368916} is an apocalyptic number.

It is an amenable number.

26685140368916 is a deficient number, since it is larger than the sum of its proper divisors (23662855082572).

26685140368916 is a wasteful number, since it uses less digits than its factorization.

26685140368916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344537888 (or 344537869 counting only the distinct ones).

The product of its (nonzero) digits is 89579520, while the sum is 65.

The spelling of 26685140368916 in words is "twenty-six trillion, six hundred eighty-five billion, one hundred forty million, three hundred sixty-eight thousand, nine hundred sixteen".