26534661 has 16 divisors (see below), whose sum is σ = 36509184. Its totient is φ = 17129664.

The previous prime is 26534653. The next prime is 26534687. The reversal of 26534661 is 16643562.

It is not a de Polignac number, because 26534661 - 2³ = 26534653 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26534611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30316 + ... + 31178.

It is an arithmetic number, because the mean of its divisors is an integer number (2281824).

Almost surely, 2^26534661 is an apocalyptic number.

It is an amenable number.

26534661 is a deficient number, since it is larger than the sum of its proper divisors (9974523).

26534661 is a wasteful number, since it uses less digits than its factorization.

26534661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180.

The product of its digits is 25920, while the sum is 33.

The square root of 26534661 is about 5151.1805443024. The cubic root of 26534661 is about 298.2665250636.

The spelling of 26534661 in words is "twenty-six million, five hundred thirty-four thousand, six hundred sixty-one".