14640066 has 24 divisors (see below), whose sum is σ = 36251904. Its totient is φ = 4182840.

The previous prime is 14640053. The next prime is 14640071. The reversal of 14640066 is 66004641.

14640066 is a `hidden beast` number, since 14 + 640 + 0 + 6 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57970 + ... + 58221.

It is an arithmetic number, because the mean of its divisors is an integer number (1510496).

Almost surely, 2^14640066 is an apocalyptic number.

14640066 is an abundant number, since it is smaller than the sum of its proper divisors (21611838).

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

14640066 is a wasteful number, since it uses less digits than its factorization.

14640066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116206 (or 116203 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 14640066 is about 3826.2339186202. The cubic root of 14640066 is about 244.6326077548.

The spelling of 14640066 in words is "fourteen million, six hundred forty thousand, sixty-six".