26666669359 has 16 divisors (see below), whose sum is σ = 29472113664. Its totient is φ = 23925369600.

The previous prime is 26666669333. The next prime is 26666669377. The reversal of 26666669359 is 95396666662.

It is not a de Polignac number, because 26666669359 - 2⁵ = 26666669327 is a prime.

It is a super-2 number, since 2×26666669359² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26666669359.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26666669389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 890047 + ... + 919519.

It is an arithmetic number, because the mean of its divisors is an integer number (1842007104).

Almost surely, 2^26666669359 is an apocalyptic number.

26666669359 is a deficient number, since it is larger than the sum of its proper divisors (2805444305).

26666669359 is a wasteful number, since it uses less digits than its factorization.

26666669359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30558.

The product of its digits is 113374080, while the sum is 64.

The spelling of 26666669359 in words is "twenty-six billion, six hundred sixty-six million, six hundred sixty-nine thousand, three hundred fifty-nine".