16552417 has 16 divisors (see below), whose sum is σ = 19877760. Its totient is φ = 13483008.

The previous prime is 16552343. The next prime is 16552447. The reversal of 16552417 is 71425561.

It is a de Polignac number, because none of the positive numbers 2^k-16552417 is a prime.

16552417 is a Rhonda number in base 12.

It is not an unprimeable number, because it can be changed into a prime (16552447) 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 15 ways as a sum of consecutive naturals, for example, 12993 + ... + 14209.

It is an arithmetic number, because the mean of its divisors is an integer number (1242360).

Almost surely, 2^16552417 is an apocalyptic number.

It is an amenable number.

16552417 is a deficient number, since it is larger than the sum of its proper divisors (3325343).

16552417 is a wasteful number, since it uses less digits than its factorization.

16552417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320.

The product of its digits is 8400, while the sum is 31.

The square root of 16552417 is about 4068.4661728961. The cubic root of 16552417 is about 254.8514680305.

Adding to 16552417 its reverse (71425561), we get a palindrome (87977978).

The spelling of 16552417 in words is "sixteen million, five hundred fifty-two thousand, four hundred seventeen".