853449869016 has 80 divisors (see below), whose sum is σ = 2467561208640. Its totient is φ = 275306402880.

The previous prime is 853449868993. The next prime is 853449869087. The reversal of 853449869016 is 610968944358.

853449869016 is a `hidden beast` number, since 8 + 53 + 4 + 498 + 6 + 90 + 1 + 6 = 666.

853449869016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21222691 + ... + 21262866.

It is an arithmetic number, because the mean of its divisors is an integer number (30844515108).

Almost surely, 2^853449869016 is an apocalyptic number.

It is an amenable number.

853449869016 is an abundant number, since it is smaller than the sum of its proper divisors (1614111339624).

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

853449869016 is a wasteful number, since it uses less digits than its factorization.

853449869016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42485606 (or 42485593 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 63.

The spelling of 853449869016 in words is "eight hundred fifty-three billion, four hundred forty-nine million, eight hundred sixty-nine thousand, sixteen".