180994729908 has 48 divisors (see below), whose sum is σ = 430896969216. Its totient is φ = 59116871520.

The previous prime is 180994729891. The next prime is 180994729913. The reversal of 180994729908 is 809927499081.

It is a congruent number.

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, 512766 + ... + 790517.

It is an arithmetic number, because the mean of its divisors is an integer number (8977020192).

Almost surely, 2^180994729908 is an apocalyptic number.

It is an amenable number.

180994729908 is an abundant number, since it is smaller than the sum of its proper divisors (249902239308).

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

180994729908 is a wasteful number, since it uses less digits than its factorization.

180994729908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303524 (or 1303522 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 66.

The spelling of 180994729908 in words is "one hundred eighty billion, nine hundred ninety-four million, seven hundred twenty-nine thousand, nine hundred eight".