544161168 has 30 divisors (see below), whose sum is σ = 1522895894. Its totient is φ = 181387008.

The previous prime is 544161127. The next prime is 544161169. The reversal of 544161168 is 861161445.

It can be written as a sum of positive squares in only one way, i.e., 511121664 + 33039504 = 22608^2 + 5748^2 .

It is a super-2 number, since 2×544161168² = 592222753518248448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (544161169) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1889305 + ... + 1889592.

Almost surely, 2^544161168 is an apocalyptic number.

It is an amenable number.

544161168 is an abundant number, since it is smaller than the sum of its proper divisors (978734726).

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

544161168 is a wasteful number, since it uses less digits than its factorization.

544161168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3778911 (or 3778902 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 544161168 is about 23327.2623340160. The cubic root of 544161168 is about 816.4116291134.

The spelling of 544161168 in words is "five hundred forty-four million, one hundred sixty-one thousand, one hundred sixty-eight".