16685485 has 16 divisors (see below), whose sum is σ = 20442240. Its totient is φ = 13072320.

The previous prime is 16685447. The next prime is 16685507. The reversal of 16685485 is 58458661.

It is a de Polignac number, because none of the positive numbers 2^k-16685485 is a prime.

It is a congruent 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, 92095 + ... + 92275.

It is an arithmetic number, because the mean of its divisors is an integer number (1277640).

Almost surely, 2^16685485 is an apocalyptic number.

It is an amenable number.

16685485 is a deficient number, since it is larger than the sum of its proper divisors (3756755).

16685485 is a wasteful number, since it uses less digits than its factorization.

16685485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468.

The product of its digits is 230400, while the sum is 43.

The square root of 16685485 is about 4084.7870201517. The cubic root of 16685485 is about 255.5325790797.

The spelling of 16685485 in words is "sixteen million, six hundred eighty-five thousand, four hundred eighty-five".