163844468 has 6 divisors (see below), whose sum is σ = 286727826. Its totient is φ = 81922232.

The previous prime is 163844459. The next prime is 163844477. The reversal of 163844468 is 864448361.

163844468 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (163844459) and next prime (163844477).

It can be written as a sum of positive squares in only one way, i.e., 160073104 + 3771364 = 12652^2 + 1942^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20480555 + ... + 20480562.

It is an arithmetic number, because the mean of its divisors is an integer number (47787971).

Almost surely, 2^163844468 is an apocalyptic number.

It is an amenable number.

163844468 is a deficient number, since it is larger than the sum of its proper divisors (122883358).

163844468 is a wasteful number, since it uses less digits than its factorization.

163844468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40961121 (or 40961119 counting only the distinct ones).

The product of its digits is 442368, while the sum is 44.

The square root of 163844468 is about 12800.1745300601. The cubic root of 163844468 is about 547.1972769620.

The spelling of 163844468 in words is "one hundred sixty-three million, eight hundred forty-four thousand, four hundred sixty-eight".