853157916 has 72 divisors (see below), whose sum is σ = 2348695440. Its totient is φ = 259547904.

The previous prime is 853157911. The next prime is 853157957. The reversal of 853157916 is 619751358.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853157911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31411 + ... + 51893.

It is an arithmetic number, because the mean of its divisors is an integer number (32620770).

Almost surely, 2^853157916 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 853157916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1174347720).

853157916 is an abundant number, since it is smaller than the sum of its proper divisors (1495537524).

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

853157916 is a wasteful number, since it uses less digits than its factorization.

853157916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20595 (or 20590 counting only the distinct ones).

The product of its digits is 226800, while the sum is 45.

The square root of 853157916 is about 29208.8670783377. The cubic root of 853157916 is about 948.4398829164.

The spelling of 853157916 in words is "eight hundred fifty-three million, one hundred fifty-seven thousand, nine hundred sixteen".