180942068136 has 32 divisors (see below), whose sum is σ = 476163338400. Its totient is φ = 57139600320.

The previous prime is 180942068119. The next prime is 180942068141. The reversal of 180942068136 is 631860249081.

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, 198400935 + ... + 198401846.

It is an arithmetic number, because the mean of its divisors is an integer number (14880104325).

Almost surely, 2^180942068136 is an apocalyptic number.

It is an amenable number.

180942068136 is an abundant number, since it is smaller than the sum of its proper divisors (295221270264).

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

180942068136 is a wasteful number, since it uses less digits than its factorization.

180942068136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396802809 (or 396802805 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 48.

The spelling of 180942068136 in words is "one hundred eighty billion, nine hundred forty-two million, sixty-eight thousand, one hundred thirty-six".