16442072307665 has 16 divisors (see below), whose sum is σ = 20175888506112. Its totient is φ = 12857434581504.

The previous prime is 16442072307659. The next prime is 16442072307691. The reversal of 16442072307665 is 56670327024461.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16442072307665 is a prime.

It is a super-3 number, since 3×16442072307665³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

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, 44266304 + ... + 44636193.

It is an arithmetic number, because the mean of its divisors is an integer number (1260993031632).

Almost surely, 2^{16442072307665} is an apocalyptic number.

It is an amenable number.

16442072307665 is a deficient number, since it is larger than the sum of its proper divisors (3733816198447).

16442072307665 is an equidigital number, since it uses as much as digits as its factorization.

16442072307665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88903336.

The product of its (nonzero) digits is 10160640, while the sum is 53.

The spelling of 16442072307665 in words is "sixteen trillion, four hundred forty-two billion, seventy-two million, three hundred seven thousand, six hundred sixty-five".