26897166 has 24 divisors (see below), whose sum is σ = 60811920. Its totient is φ = 8575776.

The previous prime is 26897161. The next prime is 26897173. The reversal of 26897166 is 66179862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26897161) 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 11 ways as a sum of consecutive naturals, for example, 32071 + ... + 32898.

It is an arithmetic number, because the mean of its divisors is an integer number (2533830).

Almost surely, 2^26897166 is an apocalyptic number.

26897166 is an abundant number, since it is smaller than the sum of its proper divisors (33914754).

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

26897166 is a wasteful number, since it uses less digits than its factorization.

26897166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65000 (or 64997 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 26897166 is about 5186.2477765722. The cubic root of 26897166 is about 299.6186487762.

The spelling of 26897166 in words is "twenty-six million, eight hundred ninety-seven thousand, one hundred sixty-six".