506661574611 has 16 divisors (see below), whose sum is σ = 678857427360. Its totient is φ = 336121612800.

The previous prime is 506661574577. The next prime is 506661574619. The reversal of 506661574611 is 116475166605.

It is a happy number.

It is not a de Polignac number, because 506661574611 - 2¹¹ = 506661572563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (506661574619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1112011 + ... + 1499963.

It is an arithmetic number, because the mean of its divisors is an integer number (42428589210).

Almost surely, 2^506661574611 is an apocalyptic number.

506661574611 is a deficient number, since it is larger than the sum of its proper divisors (172195852749).

506661574611 is a wasteful number, since it uses less digits than its factorization.

506661574611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390086.

The product of its (nonzero) digits is 907200, while the sum is 48.

The spelling of 506661574611 in words is "five hundred six billion, six hundred sixty-one million, five hundred seventy-four thousand, six hundred eleven".