26158868 has 6 divisors (see below), whose sum is σ = 45778026. Its totient is φ = 13079432.

The previous prime is 26158831. The next prime is 26158879. The reversal of 26158868 is 86885162.

It can be written as a sum of positive squares in only one way, i.e., 17875984 + 8282884 = 4228^2 + 2878^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3269855 + ... + 3269862.

It is an arithmetic number, because the mean of its divisors is an integer number (7629671).

Almost surely, 2^26158868 is an apocalyptic number.

It is an amenable number.

26158868 is a deficient number, since it is larger than the sum of its proper divisors (19619158).

26158868 is a wasteful number, since it uses less digits than its factorization.

26158868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6539721 (or 6539719 counting only the distinct ones).

The product of its digits is 184320, while the sum is 44.

The square root of 26158868 is about 5114.5740780636. The cubic root of 26158868 is about 296.8517741091.

The spelling of 26158868 in words is "twenty-six million, one hundred fifty-eight thousand, eight hundred sixty-eight".