16443222050 has 12 divisors (see below), whose sum is σ = 30584393106. Its totient is φ = 6577288800.

The previous prime is 16443222043. The next prime is 16443222101. The reversal of 16443222050 is 5022234461.

It can be written as a sum of positive squares in 3 ways, for example, as 13714517881 + 2728704169 = 117109^2 + 52237^2 .

It is a super-3 number, since 3×16443222050³ (a number of 32 digits) contains 333 as substring.

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, 164432171 + ... + 164432270.

Almost surely, 2^16443222050 is an apocalyptic number.

16443222050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16443222050 is a deficient number, since it is larger than the sum of its proper divisors (14141171056).

16443222050 is a wasteful number, since it uses less digits than its factorization.

16443222050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328864453 (or 328864448 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The spelling of 16443222050 in words is "sixteen billion, four hundred forty-three million, two hundred twenty-two thousand, fifty".