5445921168 has 80 divisors (see below), whose sum is σ = 16551351360. Its totient is φ = 1708521984.

The previous prime is 5445921167. The next prime is 5445921179. The reversal of 5445921168 is 8611295445.

5445921168 is a `hidden beast` number, since 5 + 44 + 592 + 1 + 16 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (5445921167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363430 + ... + 378117.

It is an arithmetic number, because the mean of its divisors is an integer number (206891892).

Almost surely, 2^5445921168 is an apocalyptic number.

It is an amenable number.

5445921168 is an abundant number, since it is smaller than the sum of its proper divisors (11105430192).

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

5445921168 is a wasteful number, since it uses less digits than its factorization.

5445921168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741581 (or 741569 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 5445921168 is about 73796.4847943315. The cubic root of 5445921168 is about 1759.3697347251.

The spelling of 5445921168 in words is "five billion, four hundred forty-five million, nine hundred twenty-one thousand, one hundred sixty-eight".