26045663166366 has 32 divisors (see below), whose sum is σ = 54683076326400. Its totient is φ = 8259422979840.

The previous prime is 26045663166361. The next prime is 26045663166421. The reversal of 26045663166366 is 66366136654062.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26045663166361) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1186687731 + ... + 1186709678.

It is an arithmetic number, because the mean of its divisors is an integer number (1708846135200).

Almost surely, 2^{26045663166366} is an apocalyptic number.

26045663166366 is an abundant number, since it is smaller than the sum of its proper divisors (28637413160034).

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

26045663166366 is a wasteful number, since it uses less digits than its factorization.

26045663166366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2373397504.

The product of its (nonzero) digits is 100776960, while the sum is 60.

The spelling of 26045663166366 in words is "twenty-six trillion, forty-five billion, six hundred sixty-three million, one hundred sixty-six thousand, three hundred sixty-six".