505116065667 has 8 divisors (see below), whose sum is σ = 673497638224. Its totient is φ = 336739268448.

The previous prime is 505116065647. The next prime is 505116065669. The reversal of 505116065667 is 766560611505.

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

It is not a de Polignac number, because 505116065667 - 2⁶ = 505116065603 is a prime.

It is a super-3 number, since 3×505116065667³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505116065669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 939268 + ... + 1375665.

It is an arithmetic number, because the mean of its divisors is an integer number (84187204778).

Almost surely, 2^505116065667 is an apocalyptic number.

505116065667 is a deficient number, since it is larger than the sum of its proper divisors (168381572557).

505116065667 is a wasteful number, since it uses less digits than its factorization.

505116065667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387669.

The product of its (nonzero) digits is 1134000, while the sum is 48.

The spelling of 505116065667 in words is "five hundred five billion, one hundred sixteen million, sixty-five thousand, six hundred sixty-seven".