26641065 has 16 divisors (see below), whose sum is σ = 46501056. Its totient is φ = 12916800.

The previous prime is 26641063. The next prime is 26641067. The reversal of 26641065 is 56014662.

It is an interprime number because it is at equal distance from previous prime (26641063) and next prime (26641067).

It is not a de Polignac number, because 26641065 - 2¹ = 26641063 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 80566 + ... + 80895.

It is an arithmetic number, because the mean of its divisors is an integer number (2906316).

Almost surely, 2^26641065 is an apocalyptic number.

It is an amenable number.

26641065 is a deficient number, since it is larger than the sum of its proper divisors (19859991).

26641065 is a wasteful number, since it uses less digits than its factorization.

26641065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161480.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 26641065 is about 5161.4983289739. The cubic root of 26641065 is about 298.6646762983.

The spelling of 26641065 in words is "twenty-six million, six hundred forty-one thousand, sixty-five".