14066660 has 24 divisors (see below), whose sum is σ = 30339960. Its totient is φ = 5474304.

The previous prime is 14066651. The next prime is 14066671. The reversal of 14066660 is 6666041.

It can be written as a sum of positive squares in 4 ways, for example, as 6360484 + 7706176 = 2522^2 + 2776^2 .

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 7 ways as a sum of consecutive naturals, for example, 8765 + ... + 10244.

It is an arithmetic number, because the mean of its divisors is an integer number (1264165).

Almost surely, 2^14066660 is an apocalyptic number.

14066660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14066660 is an abundant number, since it is smaller than the sum of its proper divisors (16273300).

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

14066660 is a wasteful number, since it uses less digits than its factorization.

14066660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19055 (or 19053 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 14066660 is about 3750.5546256521. The cubic root of 14066660 is about 241.3961449061.

The spelling of 14066660 in words is "fourteen million, sixty-six thousand, six hundred sixty".