4644453168 has 180 divisors, whose sum is σ = 13633012848. Its totient is φ = 1532649600.

The previous prime is 4644453167. The next prime is 4644453221. The reversal of 4644453168 is 8613544464.

4644453168 is a `hidden beast` number, since 46 + 4 + 445 + 3 + 168 = 666.

It is not an unprimeable number, because it can be changed into a prime (4644453167) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15851230 + ... + 15851522.

Almost surely, 2^4644453168 is an apocalyptic number.

4644453168 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4644453168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6816506424).

4644453168 is an abundant number, since it is smaller than the sum of its proper divisors (8988559680).

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

4644453168 is an equidigital number, since it uses as much as digits as its factorization.

4644453168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476 (or 449 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 45.

The square root of 4644453168 is about 68150.2250032969. The cubic root of 4644453168 is about 1668.4435961109.

The spelling of 4644453168 in words is "four billion, six hundred forty-four million, four hundred fifty-three thousand, one hundred sixty-eight".