16500085 has 32 divisors (see below), whose sum is σ = 23961600. Its totient is φ = 10663488.

The previous prime is 16500083. The next prime is 16500097. The reversal of 16500085 is 58000561.

It is a cyclic number.

It is not a de Polignac number, because 16500085 - 2¹ = 16500083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16500083) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82816 + ... + 83014.

It is an arithmetic number, because the mean of its divisors is an integer number (748800).

Almost surely, 2^16500085 is an apocalyptic number.

It is an amenable number.

16500085 is a deficient number, since it is larger than the sum of its proper divisors (7461515).

16500085 is a wasteful number, since it uses less digits than its factorization.

16500085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 16500085 is about 4062.0296650812. The cubic root of 16500085 is about 254.5826056435.

The spelling of 16500085 in words is "sixteen million, five hundred thousand, eighty-five".