26816142205 has 8 divisors (see below), whose sum is σ = 32232917304. Its totient is φ = 21417216000.

The previous prime is 26816142179. The next prime is 26816142217. The reversal of 26816142205 is 50224161862.

It can be written as a sum of positive squares in 4 ways, for example, as 3817509796 + 22998632409 = 61786^2 + 151653^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26816142205 - 2⁵ = 26816142173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4458916 + ... + 4464925.

It is an arithmetic number, because the mean of its divisors is an integer number (4029114663).

Almost surely, 2^26816142205 is an apocalyptic number.

It is an amenable number.

26816142205 is a deficient number, since it is larger than the sum of its proper divisors (5416775099).

26816142205 is an equidigital number, since it uses as much as digits as its factorization.

26816142205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8924447.

The product of its (nonzero) digits is 46080, while the sum is 37.

The spelling of 26816142205 in words is "twenty-six billion, eight hundred sixteen million, one hundred forty-two thousand, two hundred five".