26165088 has 72 divisors (see below), whose sum is σ = 76029408. Its totient is φ = 8531712.

The previous prime is 26165077. The next prime is 26165089. The reversal of 26165088 is 88056162.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×26165088² = 1369223660095488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26165089) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12570 + ... + 14502.

It is an arithmetic number, because the mean of its divisors is an integer number (1055964).

Almost surely, 2^26165088 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 26165088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38014704).

26165088 is an abundant number, since it is smaller than the sum of its proper divisors (49864320).

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

26165088 is a wasteful number, since it uses less digits than its factorization.

26165088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996 (or 1985 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 26165088 is about 5115.1821081952. The cubic root of 26165088 is about 296.8753005057.

The spelling of 26165088 in words is "twenty-six million, one hundred sixty-five thousand, eighty-eight".