2116452316 has 24 divisors (see below), whose sum is σ = 4066248816. Its totient is φ = 955893120.

The previous prime is 2116452293. The next prime is 2116452319. The reversal of 2116452316 is 6132546112.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116452319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146281 + ... + 160096.

It is an arithmetic number, because the mean of its divisors is an integer number (169427034).

Almost surely, 2^2116452316 is an apocalyptic number.

It is an amenable number.

2116452316 is a deficient number, since it is larger than the sum of its proper divisors (1949796500).

2116452316 is a wasteful number, since it uses less digits than its factorization.

2116452316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306549 (or 306547 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 2116452316 is about 46004.9162155524. The cubic root of 2116452316 is about 1283.9146747323.

Adding to 2116452316 its reverse (6132546112), we get a palindrome (8248998428).

The spelling of 2116452316 in words is "two billion, one hundred sixteen million, four hundred fifty-two thousand, three hundred sixteen".