16442140074365 has 8 divisors (see below), whose sum is σ = 19862988010200. Its totient is φ = 13065432112192.

The previous prime is 16442140074359. The next prime is 16442140074377. The reversal of 16442140074365 is 56347004124461.

It can be written as a sum of positive squares in 4 ways, for example, as 1788226864516 + 14653913209849 = 1337246^2 + 3828043^2 .

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 16442140074365 - 2¹⁶ = 16442140008829 is a prime.

It is a super-3 number, since 3×16442140074365³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

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, 11034992594 + ... + 11034994083.

It is an arithmetic number, because the mean of its divisors is an integer number (2482873501275).

Almost surely, 2^{16442140074365} is an apocalyptic number.

It is an amenable number.

16442140074365 is a deficient number, since it is larger than the sum of its proper divisors (3420847935835).

16442140074365 is a wasteful number, since it uses less digits than its factorization.

16442140074365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22069986831.

The product of its (nonzero) digits is 1935360, while the sum is 47.

The spelling of 16442140074365 in words is "sixteen trillion, four hundred forty-two billion, one hundred forty million, seventy-four thousand, three hundred sixty-five".