26686064 has 20 divisors (see below), whose sum is σ = 52209456. Its totient is φ = 13212672.

The previous prime is 26686063. The next prime is 26686081. The reversal of 26686064 is 46068662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26686063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6449 + ... + 9744.

Almost surely, 2^26686064 is an apocalyptic number.

It is an amenable number.

26686064 is a deficient number, since it is larger than the sum of its proper divisors (25523392).

26686064 is a wasteful number, since it uses less digits than its factorization.

26686064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16304 (or 16298 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 26686064 is about 5165.8555922519. The cubic root of 26686064 is about 298.8327382982.

The spelling of 26686064 in words is "twenty-six million, six hundred eighty-six thousand, sixty-four".