5981616 has 30 divisors (see below), whose sum is σ = 16740620. Its totient is φ = 1993824.

The previous prime is 5981609. The next prime is 5981629. The reversal of 5981616 is 6161895.

5981616 is a `hidden beast` number, since 598 + 1 + 61 + 6 = 666.

5981616 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20626 + ... + 20913.

Almost surely, 2^5981616 is an apocalyptic number.

It is an amenable number.

5981616 is an abundant number, since it is smaller than the sum of its proper divisors (10759004).

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

5981616 is a wasteful number, since it uses less digits than its factorization.

5981616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41553 (or 41544 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 5981616 is about 2445.7342455794. The cubic root of 5981616 is about 181.5262808289.

The spelling of 5981616 in words is "five million, nine hundred eighty-one thousand, six hundred sixteen".