900894539165 has 16 divisors (see below), whose sum is σ = 1082850865200. Its totient is φ = 719531592192.

The previous prime is 900894539161. The next prime is 900894539227. The reversal of 900894539165 is 561935498009.

It can be written as a sum of positive squares in 8 ways, for example, as 204574385401 + 696320153764 = 452299^2 + 834458^2 .

It is a cyclic number.

It is not a de Polignac number, because 900894539165 - 2² = 900894539161 is a prime.

It is a super-2 number, since 2×900894539165² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (900894539161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8088071 + ... + 8198699.

It is an arithmetic number, because the mean of its divisors is an integer number (67678179075).

Almost surely, 2^900894539165 is an apocalyptic number.

It is an amenable number.

900894539165 is a deficient number, since it is larger than the sum of its proper divisors (181956326035).

900894539165 is a wasteful number, since it uses less digits than its factorization.

900894539165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113296.

The product of its (nonzero) digits is 10497600, while the sum is 59.

The spelling of 900894539165 in words is "nine hundred billion, eight hundred ninety-four million, five hundred thirty-nine thousand, one hundred sixty-five".