16985050 has 36 divisors (see below), whose sum is σ = 33377886. Its totient is φ = 6429600.

The previous prime is 16985047. The next prime is 16985053. The reversal of 16985050 is 5058961.

It is an interprime number because it is at equal distance from previous prime (16985047) and next prime (16985053).

It can be written as a sum of positive squares in 3 ways, for example, as 13446889 + 3538161 = 3667^2 + 1881^2 .

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 16984997 and 16985015.

It is not an unprimeable number, because it can be changed into a prime (16985053) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 17580 + ... + 18520.

Almost surely, 2^16985050 is an apocalyptic number.

16985050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16985050 is a deficient number, since it is larger than the sum of its proper divisors (16392836).

16985050 is a wasteful number, since it uses less digits than its factorization.

16985050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991 (or 967 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 16985050 is about 4121.2922730619. The cubic root of 16985050 is about 257.0527631174.

The spelling of 16985050 in words is "sixteen million, nine hundred eighty-five thousand, fifty".