16442341625623 has 2 divisors, whose sum is σ = 16442341625624. Its totient is φ = 16442341625622.

The previous prime is 16442341625599. The next prime is 16442341625659. The reversal of 16442341625623 is 32652614324461.

It is a weak prime.

It is an emirp because it is prime and its reverse (32652614324461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16442341625623 - 2³⁷ = 16304902672151 is a prime.

It is a super-3 number, since 3×16442341625623³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16442341623623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8221170812811 + 8221170812812.

It is an arithmetic number, because the mean of its divisors is an integer number (8221170812812).

Almost surely, 2^{16442341625623} is an apocalyptic number.

16442341625623 is a deficient number, since it is larger than the sum of its proper divisors (1).

16442341625623 is an equidigital number, since it uses as much as digits as its factorization.

16442341625623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4976640, while the sum is 49.

The spelling of 16442341625623 in words is "sixteen trillion, four hundred forty-two billion, three hundred forty-one million, six hundred twenty-five thousand, six hundred twenty-three".