16242985 has 16 divisors (see below), whose sum is σ = 21373632. Its totient is φ = 11752000.

The previous prime is 16242983. The next prime is 16243009. The reversal of 16242985 is 58924261.

It is not a de Polignac number, because 16242985 - 2¹ = 16242983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16242983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11835 + ... + 13135.

It is an arithmetic number, because the mean of its divisors is an integer number (1335852).

Almost surely, 2^16242985 is an apocalyptic number.

It is an amenable number.

16242985 is a deficient number, since it is larger than the sum of its proper divisors (5130647).

16242985 is a wasteful number, since it uses less digits than its factorization.

16242985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544.

The product of its digits is 34560, while the sum is 37.

The square root of 16242985 is about 4030.2586765616. The cubic root of 16242985 is about 253.2533979490.

The spelling of 16242985 in words is "sixteen million, two hundred forty-two thousand, nine hundred eighty-five".