853169963584 has 21 divisors (see below), whose sum is σ = 1693023809907. Its totient is φ = 426581287104.

The previous prime is 853169963509. The next prime is 853169963587. The reversal of 853169963584 is 485369961358.

The square root of 853169963584 is 923672.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×853169963584² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (853169963587) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 7331647 + ... + 7447105.

Almost surely, 2^853169963584 is an apocalyptic number.

853169963584 is the 923672-nd square number.

It is an amenable number.

853169963584 is a deficient number, since it is larger than the sum of its proper divisors (839853846323).

853169963584 is an frugal number, since it uses more digits than its factorization.

853169963584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230930 (or 115461 counting only the distinct ones).

The product of its digits is 167961600, while the sum is 67.

It can be divided in two parts, 85316 and 9963584, that added together give a square (10048900 = 3170²).

The spelling of 853169963584 in words is "eight hundred fifty-three billion, one hundred sixty-nine million, nine hundred sixty-three thousand, five hundred eighty-four".