26988016 has 80 divisors (see below), whose sum is σ = 61067520. Its totient is φ = 11432960.

The previous prime is 26987981. The next prime is 26988089. The reversal of 26988016 is 61088962.

It is a self number, because there is not a number n which added to its sum of digits gives 26988016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238776 + ... + 238888.

It is an arithmetic number, because the mean of its divisors is an integer number (763344).

Almost surely, 2^26988016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26988016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30533760).

26988016 is an abundant number, since it is smaller than the sum of its proper divisors (34079504).

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

26988016 is a wasteful number, since it uses less digits than its factorization.

26988016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 26988016 is about 5194.9991337824. Note that the first 3 decimals coincide. The cubic root of 26988016 is about 299.9556082464.

The spelling of 26988016 in words is "twenty-six million, nine hundred eighty-eight thousand, sixteen".