26311216 has 10 divisors (see below), whose sum is σ = 50978012. Its totient is φ = 13155600.

The previous prime is 26311213. The next prime is 26311231. The reversal of 26311216 is 61211362.

It is not an unprimeable number, because it can be changed into a prime (26311213) 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, 822210 + ... + 822241.

Almost surely, 2^26311216 is an apocalyptic number.

It is an amenable number.

26311216 is a deficient number, since it is larger than the sum of its proper divisors (24666796).

26311216 is a wasteful number, since it uses less digits than its factorization.

26311216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644459 (or 1644453 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

The square root of 26311216 is about 5129.4459739820. The cubic root of 26311216 is about 297.4269424919.

Adding to 26311216 its reverse (61211362), we get a palindrome (87522578).

The spelling of 26311216 in words is "twenty-six million, three hundred eleven thousand, two hundred sixteen".