26636070656 has 144 divisors (see below), whose sum is σ = 58601561760. Its totient is φ = 12008079360.

The previous prime is 26636070641. The next prime is 26636070661. The reversal of 26636070656 is 65607063662.

It is a self number, because there is not a number n which added to its sum of digits gives 26636070656.

It is a congruent number.

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, 36338066 + ... + 36338798.

It is an arithmetic number, because the mean of its divisors is an integer number (406955290).

Almost surely, 2^26636070656 is an apocalyptic number.

26636070656 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26636070656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29300780880).

26636070656 is an abundant number, since it is smaller than the sum of its proper divisors (31965491104).

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

26636070656 is a wasteful number, since it uses less digits than its factorization.

26636070656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002 (or 988 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 47.

The spelling of 26636070656 in words is "twenty-six billion, six hundred thirty-six million, seventy thousand, six hundred fifty-six".