16442735734623 has 16 divisors (see below), whose sum is σ = 23983326892800. Its totient is φ = 9937535897280.

The previous prime is 16442735734603. The next prime is 16442735734627. The reversal of 16442735734623 is 32643753724461.

It is not a de Polignac number, because 16442735734623 - 2²⁴ = 16442718957407 is a prime.

It is a super-3 number, since 3×16442735734623³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16442735734627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 693950158 + ... + 693973851.

It is an arithmetic number, because the mean of its divisors is an integer number (1498957930800).

Almost surely, 2^{16442735734623} is an apocalyptic number.

16442735734623 is a deficient number, since it is larger than the sum of its proper divisors (7540591158177).

16442735734623 is a wasteful number, since it uses less digits than its factorization.

16442735734623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387924382.

The product of its digits is 60963840, while the sum is 57.

The spelling of 16442735734623 in words is "sixteen trillion, four hundred forty-two billion, seven hundred thirty-five million, seven hundred thirty-four thousand, six hundred twenty-three".