16443230441 has 8 divisors (see below), whose sum is σ = 18375583968. Its totient is φ = 14583796000.

The previous prime is 16443230423. The next prime is 16443230471. The reversal of 16443230441 is 14403234461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16443230441 is a prime.

It is a super-3 number, since 3×16443230441³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16443230398 and 16443230407.

It is not an unprimeable number, because it can be changed into a prime (16443230411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18229295 + ... + 18230196.

It is an arithmetic number, because the mean of its divisors is an integer number (2296947996).

Almost surely, 2^16443230441 is an apocalyptic number.

16443230441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16443230441 is a deficient number, since it is larger than the sum of its proper divisors (1932353527).

16443230441 is a wasteful number, since it uses less digits than its factorization.

16443230441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36459543.

The product of its (nonzero) digits is 27648, while the sum is 32.

The spelling of 16443230441 in words is "sixteen billion, four hundred forty-three million, two hundred thirty thousand, four hundred forty-one".