16443743044 has 12 divisors (see below), whose sum is σ = 29704826368. Its totient is φ = 7956649800.

The previous prime is 16443743033. The next prime is 16443743087. The reversal of 16443743044 is 44034734461.

It is a super-3 number, since 3×16443743044³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16443742988 and 16443743006.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66305292 + ... + 66305539.

Almost surely, 2^16443743044 is an apocalyptic number.

It is an amenable number.

16443743044 is a deficient number, since it is larger than the sum of its proper divisors (13261083324).

16443743044 is a wasteful number, since it uses less digits than its factorization.

16443743044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132610866 (or 132610864 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 40.

The spelling of 16443743044 in words is "sixteen billion, four hundred forty-three million, seven hundred forty-three thousand, forty-four".