26521116 has 48 divisors (see below), whose sum is σ = 64990464. Its totient is φ = 8401536.

The previous prime is 26521097. The next prime is 26521123. The reversal of 26521116 is 61112562.

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, 84576 + ... + 84888.

It is an arithmetic number, because the mean of its divisors is an integer number (1353968).

Almost surely, 2^26521116 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 26521116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32495232).

26521116 is an abundant number, since it is smaller than the sum of its proper divisors (38469348).

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

26521116 is a wasteful number, since it uses less digits than its factorization.

26521116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650 (or 648 counting only the distinct ones).

The product of its digits is 720, while the sum is 24.

The square root of 26521116 is about 5149.8656293150. The cubic root of 26521116 is about 298.2157649439.

Adding to 26521116 its reverse (61112562), we get a palindrome (87633678).

The spelling of 26521116 in words is "twenty-six million, five hundred twenty-one thousand, one hundred sixteen".