505607000666 has 8 divisors (see below), whose sum is σ = 758495522784. Its totient is φ = 252775159740.

The previous prime is 505607000659. The next prime is 505607000671. The reversal of 505607000666 is 666000706505.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14147990 + ... + 14183681.

It is an arithmetic number, because the mean of its divisors is an integer number (94811940348).

Almost surely, 2^505607000666 is an apocalyptic number.

505607000666 is a deficient number, since it is larger than the sum of its proper divisors (252888522118).

505607000666 is a wasteful number, since it uses less digits than its factorization.

505607000666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28340596.

The product of its (nonzero) digits is 226800, while the sum is 41.

The spelling of 505607000666 in words is "five hundred five billion, six hundred seven million, six hundred sixty-six", and thus it is an aban number.