16199984 has 30 divisors (see below), whose sum is σ = 32164980. Its totient is φ = 7901920.

The previous prime is 16199971. The next prime is 16200013. The reversal of 16199984 is 48999161.

16199984 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-4 number, since 4×16199984⁴ (a number of 30 digits) contains 4444 as substring.

Its product of digits (139968) is a multiple of the sum of its prime divisors (192).

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, 123599 + ... + 123729.

It is an arithmetic number, because the mean of its divisors is an integer number (1072166).

Almost surely, 2^16199984 is an apocalyptic number.

It is an amenable number.

16199984 is a deficient number, since it is larger than the sum of its proper divisors (15964996).

16199984 is an equidigital number, since it uses as much as digits as its factorization.

16199984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329 (or 192 counting only the distinct ones).

The product of its digits is 139968, while the sum is 47.

The square root of 16199984 is about 4024.9203718832. The cubic root of 16199984 is about 253.0297162885.

The spelling of 16199984 in words is "sixteen million, one hundred ninety-nine thousand, nine hundred eighty-four".