16800821732 has 12 divisors (see below), whose sum is σ = 29815543296. Its totient is φ = 8282095080.

The previous prime is 16800821701. The next prime is 16800821759. The reversal of 16800821732 is 23712800861.

16800821732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16800821732² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29578628 + ... + 29579195.

It is an arithmetic number, because the mean of its divisors is an integer number (2484628608).

Almost surely, 2^16800821732 is an apocalyptic number.

It is an amenable number.

16800821732 is a deficient number, since it is larger than the sum of its proper divisors (13014721564).

16800821732 is a wasteful number, since it uses less digits than its factorization.

16800821732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59157898 (or 59157896 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The spelling of 16800821732 in words is "sixteen billion, eight hundred million, eight hundred twenty-one thousand, seven hundred thirty-two".