16442023643635 has 8 divisors (see below), whose sum is σ = 19980180630720. Its totient is φ = 12987117409344.

The previous prime is 16442023643533. The next prime is 16442023643671. The reversal of 16442023643635 is 53634632024461.

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

It is a cyclic number.

It is not a de Polignac number, because 16442023643635 - 2⁴¹ = 14243000388083 is a prime.

It is a super-3 number, since 3×16442023643635³ (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 7 ways as a sum of consecutive naturals, for example, 20812687762 + ... + 20812688551.

It is an arithmetic number, because the mean of its divisors is an integer number (2497522578840).

Almost surely, 2^{16442023643635} is an apocalyptic number.

16442023643635 is a deficient number, since it is larger than the sum of its proper divisors (3538156987085).

16442023643635 is an equidigital number, since it uses as much as digits as its factorization.

16442023643635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41625376397.

The product of its (nonzero) digits is 7464960, while the sum is 49.

The spelling of 16442023643635 in words is "sixteen trillion, four hundred forty-two billion, twenty-three million, six hundred forty-three thousand, six hundred thirty-five".