116316021 has 8 divisors (see below), whose sum is σ = 155155744. Its totient is φ = 77510160.

The previous prime is 116316017. The next prime is 116316041. The reversal of 116316021 is 120613611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 116316021 - 2² = 116316017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116316041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1095 + ... + 15291.

It is an arithmetic number, because the mean of its divisors is an integer number (19394468).

Almost surely, 2^116316021 is an apocalyptic number.

It is an amenable number.

116316021 is a deficient number, since it is larger than the sum of its proper divisors (38839723).

116316021 is a wasteful number, since it uses less digits than its factorization.

116316021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16931.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 116316021 is about 10784.9905424159. The cubic root of 116316021 is about 488.1423778886.

Adding to 116316021 its reverse (120613611), we get a palindrome (236929632).

The spelling of 116316021 in words is "one hundred sixteen million, three hundred sixteen thousand, twenty-one".