26161087 has 4 divisors (see below), whose sum is σ = 26492320. Its totient is φ = 25829856.

The previous prime is 26161063. The next prime is 26161123. The reversal of 26161087 is 78016162.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26161087 - 2²³ = 17772479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26161027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165498 + ... + 165655.

It is an arithmetic number, because the mean of its divisors is an integer number (6623080).

Almost surely, 2^26161087 is an apocalyptic number.

26161087 is a deficient number, since it is larger than the sum of its proper divisors (331233).

26161087 is an equidigital number, since it uses as much as digits as its factorization.

26161087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331232.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 26161087 is about 5114.7910025728. The cubic root of 26161087 is about 296.8601676357.

The spelling of 26161087 in words is "twenty-six million, one hundred sixty-one thousand, eighty-seven".