415065666 has 16 divisors (see below), whose sum is σ = 830569824. Its totient is φ = 138282144.

The previous prime is 415065587. The next prime is 415065671. The reversal of 415065666 is 666560514.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5251 + ... + 29286.

It is an arithmetic number, because the mean of its divisors is an integer number (51910614).

Almost surely, 2^415065666 is an apocalyptic number.

415065666 is an abundant number, since it is smaller than the sum of its proper divisors (415504158).

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

415065666 is a wasteful number, since it uses less digits than its factorization.

415065666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36545.

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 415065666 is about 20373.1604322942. The cubic root of 415065666 is about 745.9429322856.

The spelling of 415065666 in words is "four hundred fifteen million, sixty-five thousand, six hundred sixty-six".