26126661 has 16 divisors (see below), whose sum is σ = 38223360. Its totient is φ = 15742320.

The previous prime is 26126647. The next prime is 26126669. The reversal of 26126661 is 16662162.

It is not a de Polignac number, because 26126661 - 2⁵ = 26126629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26126669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3696 + ... + 8118.

It is an arithmetic number, because the mean of its divisors is an integer number (2388960).

Almost surely, 2^26126661 is an apocalyptic number.

It is an amenable number.

26126661 is a deficient number, since it is larger than the sum of its proper divisors (12096699).

26126661 is a wasteful number, since it uses less digits than its factorization.

26126661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4616.

The product of its digits is 5184, while the sum is 30.

The square root of 26126661 is about 5111.4245568139. The cubic root of 26126661 is about 296.7298953449.

The spelling of 26126661 in words is "twenty-six million, one hundred twenty-six thousand, six hundred sixty-one".