26164137 has 4 divisors (see below), whose sum is σ = 34885520. Its totient is φ = 17442756.

The previous prime is 26164111. The next prime is 26164153. The reversal of 26164137 is 73146162.

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 not a de Polignac number, because 26164137 - 2⁷ = 26164009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26164157) 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, 4360687 + ... + 4360692.

It is an arithmetic number, because the mean of its divisors is an integer number (8721380).

Almost surely, 2^26164137 is an apocalyptic number.

It is an amenable number.

26164137 is a deficient number, since it is larger than the sum of its proper divisors (8721383).

26164137 is an equidigital number, since it uses as much as digits as its factorization.

26164137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8721382.

The product of its digits is 6048, while the sum is 30.

The square root of 26164137 is about 5115.0891487832. The cubic root of 26164137 is about 296.8717037049.

The spelling of 26164137 in words is "twenty-six million, one hundred sixty-four thousand, one hundred thirty-seven".