16442735500225 has 12 divisors (see below), whose sum is σ = 20822800362624. Its totient is φ = 12874312050320.

The previous prime is 16442735500223. The next prime is 16442735500249. The reversal of 16442735500225 is 52200553724461.

It is not a de Polignac number, because 16442735500225 - 2¹ = 16442735500223 is a prime.

It is a super-3 number, since 3×16442735500225³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16442735500223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6996907549 + ... + 6996909898.

It is an arithmetic number, because the mean of its divisors is an integer number (1735233363552).

Almost surely, 2^{16442735500225} is an apocalyptic number.

It is an amenable number.

16442735500225 is a deficient number, since it is larger than the sum of its proper divisors (4380064862399).

16442735500225 is a wasteful number, since it uses less digits than its factorization.

16442735500225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13993817504 (or 13993817499 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 46.

The spelling of 16442735500225 in words is "sixteen trillion, four hundred forty-two billion, seven hundred thirty-five million, five hundred thousand, two hundred twenty-five".