506615150665 has 24 divisors (see below), whose sum is σ = 679535440128. Its totient is φ = 362047533120.

The previous prime is 506615150651. The next prime is 506615150687. The reversal of 506615150665 is 566051516605.

It is not a de Polignac number, because 506615150665 - 2⁵ = 506615150633 is a prime.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9643879 + ... + 9696268.

It is an arithmetic number, because the mean of its divisors is an integer number (28313976672).

Almost surely, 2^506615150665 is an apocalyptic number.

It is an amenable number.

506615150665 is a deficient number, since it is larger than the sum of its proper divisors (172920289463).

506615150665 is a wasteful number, since it uses less digits than its factorization.

506615150665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19340209 (or 19340196 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 46.

The spelling of 506615150665 in words is "five hundred six billion, six hundred fifteen million, one hundred fifty thousand, six hundred sixty-five".