16680100 has 36 divisors (see below), whose sum is σ = 38105200. Its totient is φ = 6320160.

The previous prime is 16680091. The next prime is 16680137. The reversal of 16680100 is 108661.

16680100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2490 + ... + 6289.

Almost surely, 2^16680100 is an apocalyptic number.

16680100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16680100 is an abundant number, since it is smaller than the sum of its proper divisors (21425100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16680100 is a wasteful number, since it uses less digits than its factorization.

16680100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8812 (or 8805 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 16680100 is about 4084.1278138668. The cubic root of 16680100 is about 255.5050863019.

Adding to 16680100 its reverse (108661), we get a palindrome (16788761).

The spelling of 16680100 in words is "sixteen million, six hundred eighty thousand, one hundred".