26466660 has 72 divisors (see below), whose sum is σ = 87587136. Its totient is φ = 6415680.

The previous prime is 26466623. The next prime is 26466683. The reversal of 26466660 is 6666462.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 in 23 ways as a sum of consecutive naturals, for example, 4704 + ... + 8663.

It is an arithmetic number, because the mean of its divisors is an integer number (1216488).

Almost surely, 2^26466660 is an apocalyptic number.

26466660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26466660 is an abundant number, since it is smaller than the sum of its proper divisors (61120476).

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

26466660 is a wasteful number, since it uses less digits than its factorization.

26466660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13393 (or 13388 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 26466660 is about 5144.5757842605. The cubic root of 26466660 is about 298.0115155528.

The spelling of 26466660 in words is "twenty-six million, four hundred sixty-six thousand, six hundred sixty".