905911213160 has 48 divisors (see below), whose sum is σ = 2106172959300. Its totient is φ = 350675293440.

The previous prime is 905911213111. The next prime is 905911213171. The reversal of 905911213160 is 61312119509.

It can be written as a sum of positive squares in 2 ways, for example, as 877283249956 + 28627963204 = 936634^2 + 169198^2 .

It is a super-2 number, since 2×905911213160² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11745005 + ... + 11821884.

Almost surely, 2^905911213160 is an apocalyptic number.

It is an amenable number.

905911213160 is an abundant number, since it is smaller than the sum of its proper divisors (1200261746140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

905911213160 is a wasteful number, since it uses less digits than its factorization.

905911213160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23566962 (or 23566927 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 38.

The spelling of 905911213160 in words is "nine hundred five billion, nine hundred eleven million, two hundred thirteen thousand, one hundred sixty".