407668566 has 8 divisors (see below), whose sum is σ = 815337144. Its totient is φ = 135889520.

The previous prime is 407668561. The next prime is 407668567. The reversal of 407668566 is 665866704.

It is a sphenic number, since it is the product of 3 distinct primes.

407668566 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407668561) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 33972375 + ... + 33972386.

It is an arithmetic number, because the mean of its divisors is an integer number (101917143).

Almost surely, 2^407668566 is an apocalyptic number.

407668566 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

407668566 is a wasteful number, since it uses less digits than its factorization.

407668566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67944766.

The product of its (nonzero) digits is 1451520, while the sum is 48.

The square root of 407668566 is about 20190.8039958789. The cubic root of 407668566 is about 741.4850661609.

The spelling of 407668566 in words is "four hundred seven million, six hundred sixty-eight thousand, five hundred sixty-six".