16728900 has 36 divisors (see below), whose sum is σ = 48403152. Its totient is φ = 4460960.

The previous prime is 16728893. The next prime is 16728917. The reversal of 16728900 is 982761.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27582 + ... + 28181.

It is an arithmetic number, because the mean of its divisors is an integer number (1344532).

Almost surely, 2^16728900 is an apocalyptic number.

16728900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16728900 is an abundant number, since it is smaller than the sum of its proper divisors (31674252).

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

16728900 is a wasteful number, since it uses less digits than its factorization.

16728900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55780 (or 55773 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 16728900 is about 4090.0977983417. The cubic root of 16728900 is about 255.7540158314.

The spelling of 16728900 in words is "sixteen million, seven hundred twenty-eight thousand, nine hundred".