16443999048 has 16 divisors (see below), whose sum is σ = 41109997680. Its totient is φ = 5481333008.

The previous prime is 16443999043. The next prime is 16443999083. The reversal of 16443999048 is 84099934461.

It is a super-3 number, since 3×16443999048³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (16443999043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342583290 + ... + 342583337.

It is an arithmetic number, because the mean of its divisors is an integer number (2569374855).

Almost surely, 2^16443999048 is an apocalyptic number.

It is an amenable number.

16443999048 is an abundant number, since it is smaller than the sum of its proper divisors (24665998632).

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

16443999048 is a wasteful number, since it uses less digits than its factorization.

16443999048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685166636 (or 685166632 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 57.

The spelling of 16443999048 in words is "sixteen billion, four hundred forty-three million, nine hundred ninety-nine thousand, forty-eight".