16216623113 has 16 divisors (see below), whose sum is σ = 16939809936. Its totient is φ = 15509544960.

The previous prime is 16216623097. The next prime is 16216623149. The reversal of 16216623113 is 31132661261.

It can be written as a sum of positive squares in 8 ways, for example, as 23551609 + 16193071504 = 4853^2 + 127252^2 .

It is a cyclic number.

It is not a de Polignac number, because 16216623113 - 2⁴ = 16216623097 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16216623113.

It is not an unprimeable number, because it can be changed into a prime (16216623413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3467945 + ... + 3472617.

It is an arithmetic number, because the mean of its divisors is an integer number (1058738121).

Almost surely, 2^16216623113 is an apocalyptic number.

It is an amenable number.

16216623113 is a deficient number, since it is larger than the sum of its proper divisors (723186823).

16216623113 is a wasteful number, since it uses less digits than its factorization.

16216623113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6364.

The product of its digits is 7776, while the sum is 32.

The spelling of 16216623113 in words is "sixteen billion, two hundred sixteen million, six hundred twenty-three thousand, one hundred thirteen".