26158656 has 56 divisors (see below), whose sum is σ = 70920864. Its totient is φ = 8504320.

The previous prime is 26158651. The next prime is 26158673. The reversal of 26158656 is 65685162.

It is not an unprimeable number, because it can be changed into a prime (26158651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6211 + ... + 9533.

It is an arithmetic number, because the mean of its divisors is an integer number (1266444).

Almost surely, 2^26158656 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 26158656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35460432).

26158656 is an abundant number, since it is smaller than the sum of its proper divisors (44762208).

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

26158656 is a wasteful number, since it uses less digits than its factorization.

26158656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3379 (or 3369 counting only the distinct ones).

The product of its digits is 86400, while the sum is 39.

The square root of 26158656 is about 5114.5533529332. The cubic root of 26158656 is about 296.8509721791.

The spelling of 26158656 in words is "twenty-six million, one hundred fifty-eight thousand, six hundred fifty-six".