16416616443 has 4 divisors (see below), whose sum is σ = 21888821928. Its totient is φ = 10944410960.

The previous prime is 16416616441. The next prime is 16416616451. The reversal of 16416616443 is 34461661461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16416616443 - 2¹ = 16416616441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16416616395 and 16416616404.

It is not an unprimeable number, because it can be changed into a prime (16416616441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2736102738 + ... + 2736102743.

It is an arithmetic number, because the mean of its divisors is an integer number (5472205482).

Almost surely, 2^16416616443 is an apocalyptic number.

16416616443 is a deficient number, since it is larger than the sum of its proper divisors (5472205485).

16416616443 is an equidigital number, since it uses as much as digits as its factorization.

16416616443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5472205484.

The product of its digits is 248832, while the sum is 42.

The spelling of 16416616443 in words is "sixteen billion, four hundred sixteen million, six hundred sixteen thousand, four hundred forty-three".