180303216 has 20 divisors (see below), whose sum is σ = 465783432. Its totient is φ = 60101056.

The previous prime is 180303209. The next prime is 180303259. The reversal of 180303216 is 612303081.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 1878111 + ... + 1878206.

Almost surely, 2^180303216 is an apocalyptic number.

180303216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

180303216 is an abundant number, since it is smaller than the sum of its proper divisors (285480216).

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

180303216 is a wasteful number, since it uses less digits than its factorization.

180303216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3756328 (or 3756322 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 180303216 is about 13427.7033032459. The cubic root of 180303216 is about 564.9384807845.

Adding to 180303216 its reverse (612303081), we get a palindrome (792606297).

The spelling of 180303216 in words is "one hundred eighty million, three hundred three thousand, two hundred sixteen".