26616454271 has 4 divisors (see below), whose sum is σ = 29036131944. Its totient is φ = 24196776600.

The previous prime is 26616454261. The next prime is 26616454283. The reversal of 26616454271 is 17245461662.

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 26616454271 - 2¹⁰ = 26616453247 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 (26616454261) 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, 1209838820 + ... + 1209838841.

It is an arithmetic number, because the mean of its divisors is an integer number (7259032986).

Almost surely, 2^26616454271 is an apocalyptic number.

26616454271 is a deficient number, since it is larger than the sum of its proper divisors (2419677673).

26616454271 is a wasteful number, since it uses less digits than its factorization.

26616454271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2419677672.

The product of its digits is 483840, while the sum is 44.

The spelling of 26616454271 in words is "twenty-six billion, six hundred sixteen million, four hundred fifty-four thousand, two hundred seventy-one".