180168004 has 6 divisors (see below), whose sum is σ = 315294014. Its totient is φ = 90084000.

The previous prime is 180167987. The next prime is 180168029. The reversal of 180168004 is 400861081.

It can be written as a sum of positive squares in only one way, i.e., 124367104 + 55800900 = 11152^2 + 7470^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22520997 + ... + 22521004.

Almost surely, 2^180168004 is an apocalyptic number.

It is an amenable number.

180168004 is a deficient number, since it is larger than the sum of its proper divisors (135126010).

180168004 is a wasteful number, since it uses less digits than its factorization.

180168004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45042005 (or 45042003 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 180168004 is about 13422.6675441210. The cubic root of 180168004 is about 564.7972269456.

The spelling of 180168004 in words is "one hundred eighty million, one hundred sixty-eight thousand, four".