180116404 has 48 divisors (see below), whose sum is σ = 359235072. Its totient is φ = 78388992.

The previous prime is 180116401. The next prime is 180116429. The reversal of 180116404 is 404611081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180116401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86277 + ... + 88339.

It is an arithmetic number, because the mean of its divisors is an integer number (7484064).

Almost surely, 2^180116404 is an apocalyptic number.

It is an amenable number.

180116404 is a deficient number, since it is larger than the sum of its proper divisors (179118668).

180116404 is a wasteful number, since it uses less digits than its factorization.

180116404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2176 (or 2174 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 180116404 is about 13420.7452848193. The cubic root of 180116404 is about 564.7433026103.

Adding to 180116404 its reverse (404611081), we get a palindrome (584727485).

The spelling of 180116404 in words is "one hundred eighty million, one hundred sixteen thousand, four hundred four".