180899327946 has 64 divisors (see below), whose sum is σ = 386992045440. Its totient is φ = 56175759360.

The previous prime is 180899327941. The next prime is 180899327957. The reversal of 180899327946 is 649723998081.

It is not an unprimeable number, because it can be changed into a prime (180899327941) 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, 4759056 + ... + 4796916.

It is an arithmetic number, because the mean of its divisors is an integer number (6046750710).

Almost surely, 2^180899327946 is an apocalyptic number.

180899327946 is an abundant number, since it is smaller than the sum of its proper divisors (206092717494).

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

180899327946 is a wasteful number, since it uses less digits than its factorization.

180899327946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38359.

The product of its (nonzero) digits is 47029248, while the sum is 66.

The spelling of 180899327946 in words is "one hundred eighty billion, eight hundred ninety-nine million, three hundred twenty-seven thousand, nine hundred forty-six".