407366666 has 16 divisors (see below), whose sum is σ = 702631104. Its totient is φ = 173513664.

The previous prime is 407366653. The next prime is 407366671. The reversal of 407366666 is 666663704.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 86975 + ... + 91538.

It is an arithmetic number, because the mean of its divisors is an integer number (43914444).

Almost surely, 2^407366666 is an apocalyptic number.

407366666 is a deficient number, since it is larger than the sum of its proper divisors (295264438).

407366666 is a wasteful number, since it uses less digits than its factorization.

407366666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178685.

The product of its (nonzero) digits is 653184, while the sum is 44.

The square root of 407366666 is about 20183.3264354516. The cubic root of 407366666 is about 741.3019847384.

The spelling of 407366666 in words is "four hundred seven million, three hundred sixty-six thousand, six hundred sixty-six".