26516791 has 24 divisors (see below), whose sum is σ = 32232816. Its totient is φ = 21732480.

The previous prime is 26516779. The next prime is 26516797. The reversal of 26516791 is 19761562.

It is not a de Polignac number, because 26516791 - 2⁹ = 26516279 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26516791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26516797) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134505 + ... + 134701.

It is an arithmetic number, because the mean of its divisors is an integer number (1343034).

Almost surely, 2^26516791 is an apocalyptic number.

26516791 is a deficient number, since it is larger than the sum of its proper divisors (5716025).

26516791 is a wasteful number, since it uses less digits than its factorization.

26516791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319 (or 312 counting only the distinct ones).

The product of its digits is 22680, while the sum is 37.

The square root of 26516791 is about 5149.4456983252. The cubic root of 26516791 is about 298.1995532920.

The spelling of 26516791 in words is "twenty-six million, five hundred sixteen thousand, seven hundred ninety-one".