853183654464 has 504 divisors, whose sum is σ = 2542881294720. Its totient is φ = 252286763008.

The previous prime is 853183654457. The next prime is 853183654469. The reversal of 853183654464 is 464456381358.

It is a super-2 number, since 2×853183654464² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (853183654469) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2193273982 + ... + 2193274370.

Almost surely, 2^853183654464 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 853183654464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1271440647360).

853183654464 is an abundant number, since it is smaller than the sum of its proper divisors (1689697640256).

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

853183654464 is a wasteful number, since it uses less digits than its factorization.

853183654464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543 (or 487 counting only the distinct ones).

The product of its digits is 33177600, while the sum is 57.

The spelling of 853183654464 in words is "eight hundred fifty-three billion, one hundred eighty-three million, six hundred fifty-four thousand, four hundred sixty-four".