26156065 has 16 divisors (see below), whose sum is σ = 35582400. Its totient is φ = 18297792.

The previous prime is 26156029. The next prime is 26156087. The reversal of 26156065 is 56065162.

It is a cyclic number.

It is not a de Polignac number, because 26156065 - 2⁷ = 26155937 is a prime.

It is an unprimeable number.

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, 9355 + ... + 11824.

It is an arithmetic number, because the mean of its divisors is an integer number (2223900).

Almost surely, 2^26156065 is an apocalyptic number.

It is an amenable number.

26156065 is a deficient number, since it is larger than the sum of its proper divisors (9426335).

26156065 is a wasteful number, since it uses less digits than its factorization.

26156065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21216.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 26156065 is about 5114.3000498602. The cubic root of 26156065 is about 296.8411708821.

The spelling of 26156065 in words is "twenty-six million, one hundred fifty-six thousand, sixty-five".