16499900 has 18 divisors (see below), whose sum is σ = 35805000. Its totient is φ = 6599920.

The previous prime is 16499897. The next prime is 16499929. The reversal of 16499900 is 999461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 82400 + ... + 82599.

Almost surely, 2^16499900 is an apocalyptic number.

16499900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16499900 is an abundant number, since it is smaller than the sum of its proper divisors (19305100).

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

16499900 is a wasteful number, since it uses less digits than its factorization.

16499900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165013 (or 165006 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 16499900 is about 4062.0068931502. The cubic root of 16499900 is about 254.5816541745.

The spelling of 16499900 in words is "sixteen million, four hundred ninety-nine thousand, nine hundred".