180918600994 has 16 divisors (see below), whose sum is σ = 276237339840. Its totient is φ = 88842374640.

The previous prime is 180918600983. The next prime is 180918601007. The reversal of 180918600994 is 499006819081.

It is a super-3 number, since 3×180918600994³ (a number of 35 digits) contains 333 as substring.

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, 595737 + ... + 846604.

It is an arithmetic number, because the mean of its divisors is an integer number (17264833740).

Almost surely, 2^180918600994 is an apocalyptic number.

180918600994 is a deficient number, since it is larger than the sum of its proper divisors (95318738846).

180918600994 is a wasteful number, since it uses less digits than its factorization.

180918600994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443465.

The product of its (nonzero) digits is 1119744, while the sum is 55.

The spelling of 180918600994 in words is "one hundred eighty billion, nine hundred eighteen million, six hundred thousand, nine hundred ninety-four".