506634663 has 32 divisors (see below), whose sum is σ = 742210560. Its totient is φ = 306109440.

The previous prime is 506634641. The next prime is 506634671. The reversal of 506634663 is 366436605.

It is a happy number.

It is not a de Polignac number, because 506634663 - 2⁹ = 506634151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506633663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 163656 + ... + 166722.

It is an arithmetic number, because the mean of its divisors is an integer number (23194080).

Almost surely, 2^506634663 is an apocalyptic number.

506634663 is a deficient number, since it is larger than the sum of its proper divisors (235575897).

506634663 is a wasteful number, since it uses less digits than its factorization.

506634663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3207.

The product of its (nonzero) digits is 233280, while the sum is 39.

The square root of 506634663 is about 22508.5464435178. The cubic root of 506634663 is about 797.1957352555.

The spelling of 506634663 in words is "five hundred six million, six hundred thirty-four thousand, six hundred sixty-three".