26164463155656 has 64 divisors (see below), whose sum is σ = 75301270462080. Its totient is φ = 7420994757120.

The previous prime is 26164463155631. The next prime is 26164463155687. The reversal of 26164463155656 is 65655136446162.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 26164463155656.

It is an unprimeable number.

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, 568374255 + ... + 568420286.

It is an arithmetic number, because the mean of its divisors is an integer number (1176582350970).

Almost surely, 2^{26164463155656} is an apocalyptic number.

It is an amenable number.

26164463155656 is an abundant number, since it is smaller than the sum of its proper divisors (49136807306424).

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

26164463155656 is a wasteful number, since it uses less digits than its factorization.

26164463155656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136794694 (or 1136794690 counting only the distinct ones).

The product of its digits is 93312000, while the sum is 60.

The spelling of 26164463155656 in words is "twenty-six trillion, one hundred sixty-four billion, four hundred sixty-three million, one hundred fifty-five thousand, six hundred fifty-six".