16717022205 has 32 divisors (see below), whose sum is σ = 28811510784. Its totient is φ = 8227977216.

The previous prime is 16717022197. The next prime is 16717022221. The reversal of 16717022205 is 50222071761.

It is not a de Polignac number, because 16717022205 - 2³ = 16717022197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1172077 + ... + 1186253.

It is an arithmetic number, because the mean of its divisors is an integer number (900359712).

Almost surely, 2^16717022205 is an apocalyptic number.

16717022205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16717022205 is a deficient number, since it is larger than the sum of its proper divisors (12094488579).

16717022205 is a wasteful number, since it uses less digits than its factorization.

16717022205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20245.

The product of its (nonzero) digits is 11760, while the sum is 33.

Adding to 16717022205 its reverse (50222071761), we get a palindrome (66939093966).

The spelling of 16717022205 in words is "sixteen billion, seven hundred seventeen million, twenty-two thousand, two hundred five".