16628799100 has 18 divisors (see below), whose sum is σ = 36084494264. Its totient is φ = 6651519600.

The previous prime is 16628799079. The next prime is 16628799113. The reversal of 16628799100 is 199782661.

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, 83143896 + ... + 83144095.

Almost surely, 2^16628799100 is an apocalyptic number.

16628799100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16628799100 is an abundant number, since it is smaller than the sum of its proper divisors (19455695164).

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

16628799100 is a wasteful number, since it uses less digits than its factorization.

16628799100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166288005 (or 166287998 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 49.

The spelling of 16628799100 in words is "sixteen billion, six hundred twenty-eight million, seven hundred ninety-nine thousand, one hundred".