180840083 has 4 divisors (see below), whose sum is σ = 180890040. Its totient is φ = 180790128.

The previous prime is 180840073. The next prime is 180840089. The reversal of 180840083 is 380048081.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 380048081 = 7 ⋅54292583.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-180840083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (180840089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19085 + ... + 26942.

It is an arithmetic number, because the mean of its divisors is an integer number (45222510).

Almost surely, 2^180840083 is an apocalyptic number.

180840083 is a deficient number, since it is larger than the sum of its proper divisors (49957).

180840083 is an equidigital number, since it uses as much as digits as its factorization.

180840083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49956.

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 180840083 is about 13447.6794652460. The cubic root of 180840083 is about 565.4986414239.

The spelling of 180840083 in words is "one hundred eighty million, eight hundred forty thousand, eighty-three".