26590138168 has 24 divisors (see below), whose sum is σ = 54800958240. Its totient is φ = 12086426000.

The previous prime is 26590138139. The next prime is 26590138177. The reversal of 26590138168 is 86183109562.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13733608 + ... + 13735543.

It is an arithmetic number, because the mean of its divisors is an integer number (2283373260).

Almost surely, 2^26590138168 is an apocalyptic number.

It is an amenable number.

26590138168 is an abundant number, since it is smaller than the sum of its proper divisors (28210820072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26590138168 is a wasteful number, since it uses less digits than its factorization.

26590138168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27469179 (or 27469164 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 49.

The spelling of 26590138168 in words is "twenty-six billion, five hundred ninety million, one hundred thirty-eight thousand, one hundred sixty-eight".