26641061 has 4 divisors (see below), whose sum is σ = 27799392. Its totient is φ = 25482732.

The previous prime is 26641049. The next prime is 26641063. The reversal of 26641061 is 16014662.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 26641061 - 2²² = 22446757 is a prime.

It is a super-2 number, since 2×26641061² = 1419492262411442, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26641061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26641063) 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 3 ways as a sum of consecutive naturals, for example, 579131 + ... + 579176.

It is an arithmetic number, because the mean of its divisors is an integer number (6949848).

Almost surely, 2^26641061 is an apocalyptic number.

It is an amenable number.

26641061 is a deficient number, since it is larger than the sum of its proper divisors (1158331).

26641061 is a wasteful number, since it uses less digits than its factorization.

26641061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158330.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 26641061 is about 5161.4979414895. The cubic root of 26641061 is about 298.6646613508.

The spelling of 26641061 in words is "twenty-six million, six hundred forty-one thousand, sixty-one".