26133198 has 64 divisors (see below), whose sum is σ = 67156992. Its totient is φ = 6589440.

The previous prime is 26133181. The next prime is 26133209. The reversal of 26133198 is 89133162.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 11518 + ... + 13598.

It is an arithmetic number, because the mean of its divisors is an integer number (1049328).

Almost surely, 2^26133198 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26133198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33578496).

26133198 is an abundant number, since it is smaller than the sum of its proper divisors (41023794).

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

26133198 is a wasteful number, since it uses less digits than its factorization.

26133198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129.

The product of its digits is 7776, while the sum is 33.

The square root of 26133198 is about 5112.0639667359. The cubic root of 26133198 is about 296.7546409687.

The spelling of 26133198 in words is "twenty-six million, one hundred thirty-three thousand, one hundred ninety-eight".