26665460155 has 16 divisors (see below), whose sum is σ = 32189171040. Its totient is φ = 21205594368.

The previous prime is 26665460093. The next prime is 26665460179. The reversal of 26665460155 is 55106456662.

It is a cyclic number.

It is not a de Polignac number, because 26665460155 - 2⁷ = 26665460027 is a prime.

It is a super-2 number, since 2×26665460155² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 695476 + ... + 732814.

It is an arithmetic number, because the mean of its divisors is an integer number (2011823190).

Almost surely, 2^26665460155 is an apocalyptic number.

26665460155 is a deficient number, since it is larger than the sum of its proper divisors (5523710885).

26665460155 is a wasteful number, since it uses less digits than its factorization.

26665460155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38190.

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 26665460155 in words is "twenty-six billion, six hundred sixty-five million, four hundred sixty thousand, one hundred fifty-five".