26989168 has 10 divisors (see below), whose sum is σ = 52291544. Its totient is φ = 13494576.

The previous prime is 26989147. The next prime is 26989181. The reversal of 26989168 is 86198962.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 843396 + ... + 843427.

Almost surely, 2^26989168 is an apocalyptic number.

It is an amenable number.

26989168 is a deficient number, since it is larger than the sum of its proper divisors (25302376).

26989168 is a wasteful number, since it uses less digits than its factorization.

26989168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686831 (or 1686825 counting only the distinct ones).

The product of its digits is 373248, while the sum is 49.

The square root of 26989168 is about 5195.1100084599. The cubic root of 26989168 is about 299.9598761153.

The spelling of 26989168 in words is "twenty-six million, nine hundred eighty-nine thousand, one hundred sixty-eight".