505166007 has 4 divisors (see below), whose sum is σ = 673554680. Its totient is φ = 336777336.

The previous prime is 505166003. The next prime is 505166017. The reversal of 505166007 is 700661505.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 505166007 - 2² = 505166003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505166003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84194332 + ... + 84194337.

It is an arithmetic number, because the mean of its divisors is an integer number (168388670).

Almost surely, 2^505166007 is an apocalyptic number.

505166007 is a deficient number, since it is larger than the sum of its proper divisors (168388673).

505166007 is a wasteful number, since it uses less digits than its factorization.

505166007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168388672.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 505166007 is about 22475.8983580190. The cubic root of 505166007 is about 796.4246737524.

The spelling of 505166007 in words is "five hundred five million, one hundred sixty-six thousand, seven".