26660568 has 32 divisors (see below), whose sum is σ = 72711360. Its totient is φ = 8078880.

The previous prime is 26660567. The next prime is 26660597. The reversal of 26660568 is 86506662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26660567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50230 + ... + 50757.

It is an arithmetic number, because the mean of its divisors is an integer number (2272230).

Almost surely, 2^26660568 is an apocalyptic number.

It is an amenable number.

26660568 is an abundant number, since it is smaller than the sum of its proper divisors (46050792).

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

26660568 is a wasteful number, since it uses less digits than its factorization.

26660568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101007 (or 101003 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 26660568 is about 5163.3872603166. The cubic root of 26660568 is about 298.7375392059.

The spelling of 26660568 in words is "twenty-six million, six hundred sixty thousand, five hundred sixty-eight".