5980216665 has 32 divisors (see below), whose sum is σ = 9889238016. Its totient is φ = 3082740480.

The previous prime is 5980216661. The next prime is 5980216687. The reversal of 5980216665 is 5666120895.

It is not a de Polignac number, because 5980216665 - 2² = 5980216661 is a prime.

It is a super-3 number, since 3×5980216665³ (a number of 30 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (5980216661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 389107 + ... + 404183.

It is an arithmetic number, because the mean of its divisors is an integer number (309038688).

Almost surely, 2^5980216665 is an apocalyptic number.

It is an amenable number.

5980216665 is a deficient number, since it is larger than the sum of its proper divisors (3909021351).

5980216665 is a wasteful number, since it uses less digits than its factorization.

5980216665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15969.

The product of its (nonzero) digits is 777600, while the sum is 48.

The square root of 5980216665 is about 77331.8606073848. The cubic root of 5980216665 is about 1815.1212434849.

It can be divided in two parts, 59802 and 16665, that added together give a palindrome (76467).

The spelling of 5980216665 in words is "five billion, nine hundred eighty million, two hundred sixteen thousand, six hundred sixty-five".