16217783445 has 8 divisors (see below), whose sum is σ = 25948453536. Its totient is φ = 8649484496.

The previous prime is 16217783411. The next prime is 16217783447. The reversal of 16217783445 is 54438771261.

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 16217783445 - 2⁸ = 16217783189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16217783394 and 16217783403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16217783447) 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, 540592767 + ... + 540592796.

It is an arithmetic number, because the mean of its divisors is an integer number (3243556692).

Almost surely, 2^16217783445 is an apocalyptic number.

16217783445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16217783445 is a deficient number, since it is larger than the sum of its proper divisors (9730670091).

16217783445 is a wasteful number, since it uses less digits than its factorization.

16217783445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081185571.

The product of its digits is 1128960, while the sum is 48.

The spelling of 16217783445 in words is "sixteen billion, two hundred seventeen million, seven hundred eighty-three thousand, four hundred forty-five".