180016 has 10 divisors (see below), whose sum is σ = 348812. Its totient is φ = 90000.

The previous prime is 180007. The next prime is 180023. The reversal of 180016 is 610081.

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 11251 = 180016 / (1 + 8 + 0 + 0 + 1 + 6).

It is an unprimeable number.

180016 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610 + ... + 5641.

2¹⁸⁰⁰¹⁶ is an apocalyptic number.

180016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

180016 is a deficient number, since it is larger than the sum of its proper divisors (168796).

180016 is a wasteful number, since it uses less digits than its factorization.

180016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11259 (or 11253 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 180016 is about 424.2829244738. The cubic root of 180016 is about 56.4638346362.

Adding to 180016 its reverse (610081), we get a palindrome (790097).

The spelling of 180016 in words is "one hundred eighty thousand, sixteen".