26316691 has 8 divisors (see below), whose sum is σ = 27749120. Its totient is φ = 24889032.

The previous prime is 26316679. The next prime is 26316701. The reversal of 26316691 is 19661362.

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

It is a cyclic number.

It is not a de Polignac number, because 26316691 - 2¹⁵ = 26283923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26316671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19546 + ... + 20848.

It is an arithmetic number, because the mean of its divisors is an integer number (3468640).

Almost surely, 2^26316691 is an apocalyptic number.

26316691 is a deficient number, since it is larger than the sum of its proper divisors (1432429).

26316691 is a wasteful number, since it uses less digits than its factorization.

26316691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2385.

The product of its digits is 11664, while the sum is 34.

The square root of 26316691 is about 5129.9796295892. The cubic root of 26316691 is about 297.4475712049.

The spelling of 26316691 in words is "twenty-six million, three hundred sixteen thousand, six hundred ninety-one".