2116331623 has 8 divisors (see below), whose sum is σ = 2445841440. Its totient is φ = 1793616000.

The previous prime is 2116331617. The next prime is 2116331647. The reversal of 2116331623 is 3261336112.

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

It is a cyclic number.

It is not a de Polignac number, because 2116331623 - 2²⁹ = 1579460711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2116331591 and 2116331600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116331603) 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, 1697878 + ... + 1699123.

It is an arithmetic number, because the mean of its divisors is an integer number (305730180).

Almost surely, 2^2116331623 is an apocalyptic number.

2116331623 is a deficient number, since it is larger than the sum of its proper divisors (329509817).

2116331623 is an equidigital number, since it uses as much as digits as its factorization.

2116331623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3397097.

The product of its digits is 3888, while the sum is 28.

The square root of 2116331623 is about 46003.6044566075. The cubic root of 2116331623 is about 1283.8902687239.

Adding to 2116331623 its reverse (3261336112), we get a palindrome (5377667735).

The spelling of 2116331623 in words is "two billion, one hundred sixteen million, three hundred thirty-one thousand, six hundred twenty-three".