26671216 has 40 divisors (see below), whose sum is σ = 60714864. Its totient is φ = 11189760.

The previous prime is 26671189. The next prime is 26671219. The reversal of 26671216 is 61217662.

It is a happy number.

It is a super-2 number, since 2×26671216² = 1422707525837312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26671219) 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, 3541 + ... + 8116.

Almost surely, 2^26671216 is an apocalyptic number.

26671216 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

26671216 is an abundant number, since it is smaller than the sum of its proper divisors (34043648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26671216 is a wasteful number, since it uses less digits than its factorization.

26671216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11689 (or 11683 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 26671216 is about 5164.4182634639. The cubic root of 26671216 is about 298.7773049744. Note that the first 3 decimals are identical.

Adding to 26671216 its reverse (61217662), we get a palindrome (87888878).

It can be divided in two parts, 2667 and 1216, that added together give a palindrome (3883).

The spelling of 26671216 in words is "twenty-six million, six hundred seventy-one thousand, two hundred sixteen".