16985475 has 36 divisors (see below), whose sum is σ = 32768736. Its totient is φ = 8360640.

The previous prime is 16985459. The next prime is 16985497. The reversal of 16985475 is 57458961.

16985475 is a `hidden beast` number, since 16 + 98 + 547 + 5 = 666.

It is not a de Polignac number, because 16985475 - 2⁴ = 16985459 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 16985475.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 22 + ... + 5828.

Almost surely, 2^16985475 is an apocalyptic number.

16985475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16985475 is a deficient number, since it is larger than the sum of its proper divisors (15783261).

16985475 is a wasteful number, since it uses less digits than its factorization.

16985475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5836 (or 5828 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 16985475 is about 4121.3438342366. The cubic root of 16985475 is about 257.0549070914.

The spelling of 16985475 in words is "sixteen million, nine hundred eighty-five thousand, four hundred seventy-five".