5643853164 has 36 divisors (see below), whose sum is σ = 14651988624. Its totient is φ = 1830438432.

The previous prime is 5643853153. The next prime is 5643853169. The reversal of 5643853164 is 4613583465.

5643853164 is a `hidden beast` number, since 5 + 6 + 438 + 53 + 164 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (5643853169) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2117232 + ... + 2119895.

It is an arithmetic number, because the mean of its divisors is an integer number (406999684).

Almost surely, 2^5643853164 is an apocalyptic number.

It is an amenable number.

5643853164 is an abundant number, since it is smaller than the sum of its proper divisors (9008135460).

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

5643853164 is a wasteful number, since it uses less digits than its factorization.

5643853164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4237174 (or 4237169 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The square root of 5643853164 is about 75125.5826200370. The cubic root of 5643853164 is about 1780.4313607599.

The spelling of 5643853164 in words is "five billion, six hundred forty-three million, eight hundred fifty-three thousand, one hundred sixty-four".