26668379361 has 16 divisors (see below), whose sum is σ = 38361105216. Its totient is φ = 16382147136.

The previous prime is 26668379351. The next prime is 26668379363. The reversal of 26668379361 is 16397386662.

It is not a de Polignac number, because 26668379361 - 2¹¹ = 26668377313 is a prime.

It is a super-2 number, since 2×26668379361² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26668379363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 585330 + ... + 629243.

It is an arithmetic number, because the mean of its divisors is an integer number (2397569076).

Almost surely, 2^26668379361 is an apocalyptic number.

It is an amenable number.

26668379361 is a deficient number, since it is larger than the sum of its proper divisors (11692725855).

26668379361 is a wasteful number, since it uses less digits than its factorization.

26668379361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215152.

The product of its digits is 11757312, while the sum is 57.

The spelling of 26668379361 in words is "twenty-six billion, six hundred sixty-eight million, three hundred seventy-nine thousand, three hundred sixty-one".