26198216 has 16 divisors (see below), whose sum is σ = 53587440. Its totient is φ = 11908240.

The previous prime is 26198209. The next prime is 26198231. The reversal of 26198216 is 61289162.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 148766 + ... + 148941.

It is an arithmetic number, because the mean of its divisors is an integer number (3349215).

Almost surely, 2^26198216 is an apocalyptic number.

It is an amenable number.

26198216 is an abundant number, since it is smaller than the sum of its proper divisors (27389224).

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

26198216 is a wasteful number, since it uses less digits than its factorization.

26198216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297724 (or 297720 counting only the distinct ones).

The product of its digits is 10368, while the sum is 35.

The square root of 26198216 is about 5118.4192872409. The cubic root of 26198216 is about 297.0005403823. Note that the first 3 decimals are identical.

The spelling of 26198216 in words is "twenty-six million, one hundred ninety-eight thousand, two hundred sixteen".