16552985 has 16 divisors (see below), whose sum is σ = 21949056. Its totient is φ = 11920128.

The previous prime is 16552973. The next prime is 16553041. The reversal of 16552985 is 58925561.

16552985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16552985 - 2¹⁰ = 16551961 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2279 + ... + 6188.

It is an arithmetic number, because the mean of its divisors is an integer number (1371816).

Almost surely, 2^16552985 is an apocalyptic number.

It is an amenable number.

16552985 is a deficient number, since it is larger than the sum of its proper divisors (5396071).

16552985 is a wasteful number, since it uses less digits than its factorization.

16552985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8512.

The product of its digits is 108000, while the sum is 41.

The square root of 16552985 is about 4068.5359774740. The cubic root of 16552985 is about 254.8543830927.

The spelling of 16552985 in words is "sixteen million, five hundred fifty-two thousand, nine hundred eighty-five".