26616937 has 2 divisors, whose sum is σ = 26616938. Its totient is φ = 26616936.

The previous prime is 26616901. The next prime is 26616959. The reversal of 26616937 is 73961662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21706281 + 4910656 = 4659^2 + 2216^2 .

It is a cyclic number.

It is not a de Polignac number, because 26616937 - 2¹⁵ = 26584169 is a prime.

It is a super-2 number, since 2×26616937² = 1416922670523938, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26616937.

It is not a weakly prime, because it can be changed into another prime (26616637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13308468 + 13308469.

It is an arithmetic number, because the mean of its divisors is an integer number (13308469).

Almost surely, 2^26616937 is an apocalyptic number.

It is an amenable number.

26616937 is a deficient number, since it is larger than the sum of its proper divisors (1).

26616937 is an equidigital number, since it uses as much as digits as its factorization.

26616937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 40.

The square root of 26616937 is about 5159.1604937238. The cubic root of 26616937 is about 298.5744852358.

The spelling of 26616937 in words is "twenty-six million, six hundred sixteen thousand, nine hundred thirty-seven".