26613642455164 has 48 divisors (see below), whose sum is σ = 50087368235520. Its totient is φ = 12333520632960.

The previous prime is 26613642455089. The next prime is 26613642455167. The reversal of 26613642455164 is 46155424631662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26613642455167) 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, 7924419 + ... + 10771429.

It is an arithmetic number, because the mean of its divisors is an integer number (1043486838240).

Almost surely, 2^{26613642455164} is an apocalyptic number.

It is an amenable number.

26613642455164 is a deficient number, since it is larger than the sum of its proper divisors (23473725780356).

26613642455164 is a wasteful number, since it uses less digits than its factorization.

26613642455164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2849698 (or 2849696 counting only the distinct ones).

The product of its digits is 24883200, while the sum is 55.

The spelling of 26613642455164 in words is "twenty-six trillion, six hundred thirteen billion, six hundred forty-two million, four hundred fifty-five thousand, one hundred sixty-four".