16008985 has 16 divisors (see below), whose sum is σ = 20514816. Its totient is φ = 11950848.

The previous prime is 16008961. The next prime is 16008991. The reversal of 16008985 is 58980061.

16008985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 16008985 - 2¹¹ = 16006937 is a prime.

It is a Duffinian 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, 10054 + ... + 11536.

It is an arithmetic number, because the mean of its divisors is an integer number (1282176).

Almost surely, 2^16008985 is an apocalyptic number.

It is an amenable number.

16008985 is a deficient number, since it is larger than the sum of its proper divisors (4505831).

16008985 is a wasteful number, since it uses less digits than its factorization.

16008985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1632.

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 16008985 is about 4001.1229673680. The cubic root of 16008985 is about 252.0313694467.

It can be divided in two parts, 1600 and 8985, that added together give a triangular number (10585 = T₁₄₅).

The spelling of 16008985 in words is "sixteen million, eight thousand, nine hundred eighty-five".