506239684668 has 36 divisors (see below), whose sum is σ = 1279708459848. Its totient is φ = 168740359200.

The previous prime is 506239684667. The next prime is 506239684681. The reversal of 506239684668 is 866486932605.

506239684668 is a `hidden beast` number, since 50 + 62 + 3 + 9 + 68 + 466 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506239684661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 793243 + ... + 1281293.

It is an arithmetic number, because the mean of its divisors is an integer number (35547457218).

Almost surely, 2^506239684668 is an apocalyptic number.

It is an amenable number.

506239684668 is an abundant number, since it is smaller than the sum of its proper divisors (773468775180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

506239684668 is a wasteful number, since it uses less digits than its factorization.

506239684668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516874 (or 516869 counting only the distinct ones).

The product of its (nonzero) digits is 89579520, while the sum is 63.

The spelling of 506239684668 in words is "five hundred six billion, two hundred thirty-nine million, six hundred eighty-four thousand, six hundred sixty-eight".