16443423242625 has 16 divisors (see below), whose sum is σ = 27361856276352. Its totient is φ = 8769825729200.

The previous prime is 16443423242591. The next prime is 16443423242647. The reversal of 16443423242625 is 52624232434461.

It is not a de Polignac number, because 16443423242625 - 2¹⁷ = 16443423111553 is a prime.

It is a super-3 number, since 3×16443423242625³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21924563949 + ... + 21924564698.

It is an arithmetic number, because the mean of its divisors is an integer number (1710116017272).

Almost surely, 2^{16443423242625} is an apocalyptic number.

16443423242625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16443423242625 is a deficient number, since it is larger than the sum of its proper divisors (10918433033727).

16443423242625 is an equidigital number, since it uses as much as digits as its factorization.

16443423242625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43849128665 (or 43849128655 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 48.

The spelling of 16443423242625 in words is "sixteen trillion, four hundred forty-three billion, four hundred twenty-three million, two hundred forty-two thousand, six hundred twenty-five".