16320117 has 12 divisors (see below), whose sum is σ = 23918720. Its totient is φ = 9890760.

The previous prime is 16320113. The next prime is 16320121. The reversal of 16320117 is 71102361.

It is an interprime number because it is at equal distance from previous prime (16320113) and next prime (16320121).

It is not a de Polignac number, because 16320117 - 2² = 16320113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16320093 and 16320102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16320113) 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 11 ways as a sum of consecutive naturals, for example, 22117 + ... + 22842.

Almost surely, 2^16320117 is an apocalyptic number.

It is an amenable number.

16320117 is a deficient number, since it is larger than the sum of its proper divisors (7598603).

16320117 is a wasteful number, since it uses less digits than its factorization.

16320117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44984 (or 44973 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 16320117 is about 4039.8164562267. The cubic root of 16320117 is about 253.6536343701.

Adding to 16320117 its reverse (71102361), we get a palindrome (87422478).

The spelling of 16320117 in words is "sixteen million, three hundred twenty thousand, one hundred seventeen".