506667681680 has 40 divisors (see below), whose sum is σ = 1203066248832. Its totient is φ = 198355005824.

The previous prime is 506667681593. The next prime is 506667681791. The reversal of 506667681680 is 86186766605.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67372262 + ... + 67379781.

Almost surely, 2^506667681680 is an apocalyptic number.

It is an amenable number.

506667681680 is an abundant number, since it is smaller than the sum of its proper divisors (696398567152).

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

506667681680 is a wasteful number, since it uses less digits than its factorization.

506667681680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134752103 (or 134752097 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 59.

The spelling of 506667681680 in words is "five hundred six billion, six hundred sixty-seven million, six hundred eighty-one thousand, six hundred eighty".