1852168536889 has 8 divisors (see below), whose sum is σ = 2020560901632. Its totient is φ = 1683778406640.

The previous prime is 1852168536863. The next prime is 1852168536941. The reversal of 1852168536889 is 9886358612581.

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

It is not a de Polignac number, because 1852168536889 - 2⁷ = 1852168536761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1852168534889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1506472 + ... + 2444134.

It is an arithmetic number, because the mean of its divisors is an integer number (252570112704).

Almost surely, 2^{1852168536889} is an apocalyptic number.

It is an amenable number.

1852168536889 is a deficient number, since it is larger than the sum of its proper divisors (168392364743).

1852168536889 is a wasteful number, since it uses less digits than its factorization.

1852168536889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117247.

The product of its digits is 199065600, while the sum is 70.

The spelling of 1852168536889 in words is "one trillion, eight hundred fifty-two billion, one hundred sixty-eight million, five hundred thirty-six thousand, eight hundred eighty-nine".