506615050066 has 8 divisors (see below), whose sum is σ = 804623903100. Its totient is φ = 238407082368.

The previous prime is 506615050033. The next prime is 506615050069. The reversal of 506615050066 is 660050516605.

It can be written as a sum of positive squares in 2 ways, for example, as 427623137041 + 78991913025 = 653929^2 + 281055^2 .

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

It is not an unprimeable number, because it can be changed into a prime (506615050069) 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, 7450221291 + ... + 7450221358.

Almost surely, 2^506615050066 is an apocalyptic number.

506615050066 is a deficient number, since it is larger than the sum of its proper divisors (298008853034).

506615050066 is a wasteful number, since it uses less digits than its factorization.

506615050066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14900442668.

The product of its (nonzero) digits is 162000, while the sum is 40.

The spelling of 506615050066 in words is "five hundred six billion, six hundred fifteen million, fifty thousand, sixty-six".