180683668506 has 32 divisors (see below), whose sum is σ = 394524458496. Its totient is φ = 54710190000.

The previous prime is 180683668489. The next prime is 180683668511. The reversal of 180683668506 is 605866386081.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 975070 + ... + 1145481.

It is an arithmetic number, because the mean of its divisors is an integer number (12328889328).

Almost surely, 2^180683668506 is an apocalyptic number.

180683668506 is an abundant number, since it is smaller than the sum of its proper divisors (213840789990).

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

180683668506 is a wasteful number, since it uses less digits than its factorization.

180683668506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121858.

The product of its (nonzero) digits is 9953280, while the sum is 57.

The spelling of 180683668506 in words is "one hundred eighty billion, six hundred eighty-three million, six hundred sixty-eight thousand, five hundred six".