16685050 has 12 divisors (see below), whose sum is σ = 31034286. Its totient is φ = 6674000.

The previous prime is 16685033. The next prime is 16685057. The reversal of 16685050 is 5058661.

It can be written as a sum of positive squares in 3 ways, for example, as 15626209 + 1058841 = 3953^2 + 1029^2 .

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (16685057) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 166801 + ... + 166900.

Almost surely, 2^16685050 is an apocalyptic number.

16685050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16685050 is a deficient number, since it is larger than the sum of its proper divisors (14349236).

16685050 is a wasteful number, since it uses less digits than its factorization.

16685050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333713 (or 333708 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 16685050 is about 4084.7337734545. The cubic root of 16685050 is about 255.5303584343.

The spelling of 16685050 in words is "sixteen million, six hundred eighty-five thousand, fifty".