666412148 has 12 divisors (see below), whose sum is σ = 1174612320. Its totient is φ = 330808632.

The previous prime is 666412133. The next prime is 666412171. The reversal of 666412148 is 841214666.

666412148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 598736 + ... + 599847.

It is an arithmetic number, because the mean of its divisors is an integer number (97884360).

Almost surely, 2^666412148 is an apocalyptic number.

It is an amenable number.

666412148 is a deficient number, since it is larger than the sum of its proper divisors (508200172).

666412148 is a wasteful number, since it uses less digits than its factorization.

666412148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198726 (or 1198724 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 666412148 is about 25814.9597714194. The cubic root of 666412148 is about 873.4692793182.

The spelling of 666412148 in words is "six hundred sixty-six million, four hundred twelve thousand, one hundred forty-eight".