26536664 has 64 divisors (see below), whose sum is σ = 64765440. Its totient is φ = 9884160.

The previous prime is 26536663. The next prime is 26536691. The reversal of 26536664 is 46663562.

Its product of digits (155520) is a multiple of the sum of its prime factors (1920).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26536661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13232 + ... + 15104.

It is an arithmetic number, because the mean of its divisors is an integer number (1011960).

Almost surely, 2^26536664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26536664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32382720).

26536664 is an abundant number, since it is smaller than the sum of its proper divisors (38228776).

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

26536664 is a wasteful number, since it uses less digits than its factorization.

26536664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1920 (or 1916 counting only the distinct ones).

The product of its digits is 155520, while the sum is 38.

The square root of 26536664 is about 5151.3749620854. The cubic root of 26536664 is about 298.2740298742.

The spelling of 26536664 in words is "twenty-six million, five hundred thirty-six thousand, six hundred sixty-four".