180030990064 has 20 divisors (see below), whose sum is σ = 349083230904. Its totient is φ = 89944995008.

The previous prime is 180030990043. The next prime is 180030990071. The reversal of 180030990064 is 460099030081.

It is a super-2 number, since 2×180030990064² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 180030989999 and 180030990026.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4385182 + ... + 4426045.

Almost surely, 2^180030990064 is an apocalyptic number.

It is an amenable number.

180030990064 is a deficient number, since it is larger than the sum of its proper divisors (169052240840).

180030990064 is a wasteful number, since it uses less digits than its factorization.

180030990064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8812512 (or 8812506 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 180030990064 in words is "one hundred eighty billion, thirty million, nine hundred ninety thousand, sixty-four".