16632117 has 6 divisors (see below), whose sum is σ = 24024182. Its totient is φ = 11088072.

The previous prime is 16632113. The next prime is 16632139. The reversal of 16632117 is 71123661.

16632117 is a `hidden beast` number, since 16 + 632 + 1 + 17 = 666.

It can be written as a sum of positive squares in only one way, i.e., 15634116 + 998001 = 3954^2 + 999^2 .

It is not a de Polignac number, because 16632117 - 2² = 16632113 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16632113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 923998 + ... + 924015.

Almost surely, 2^16632117 is an apocalyptic number.

It is an amenable number.

16632117 is a deficient number, since it is larger than the sum of its proper divisors (7392065).

16632117 is a wasteful number, since it uses less digits than its factorization.

16632117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1848019 (or 1848016 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 16632117 is about 4078.2492567277. The cubic root of 16632117 is about 255.2598504571.

Adding to 16632117 its reverse (71123661), we get a palindrome (87755778).

The spelling of 16632117 in words is "sixteen million, six hundred thirty-two thousand, one hundred seventeen".