506665505066 has 32 divisors (see below), whose sum is σ = 871807423872. Its totient is φ = 216333529920.

The previous prime is 506665505053. The next prime is 506665505111. The reversal of 506665505066 is 660505566605.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9519320 + ... + 9572396.

It is an arithmetic number, because the mean of its divisors is an integer number (27243981996).

Almost surely, 2^506665505066 is an apocalyptic number.

506665505066 is a deficient number, since it is larger than the sum of its proper divisors (365141918806).

506665505066 is a wasteful number, since it uses less digits than its factorization.

506665505066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55614.

The product of its (nonzero) digits is 4860000, while the sum is 50.

The spelling of 506665505066 in words is "five hundred six billion, six hundred sixty-five million, five hundred five thousand, sixty-six".