1944326168 has 8 divisors (see below), whose sum is σ = 3645611580. Its totient is φ = 972163080.

The previous prime is 1944326161. The next prime is 1944326201. The reversal of 1944326168 is 8616234491.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1944326161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121520378 + ... + 121520393.

Almost surely, 2^1944326168 is an apocalyptic number.

It is an amenable number.

1944326168 is a deficient number, since it is larger than the sum of its proper divisors (1701285412).

1944326168 is a wasteful number, since it uses less digits than its factorization.

1944326168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243040777 (or 243040773 counting only the distinct ones).

The product of its digits is 248832, while the sum is 44.

The square root of 1944326168 is about 44094.5140351949. The cubic root of 1944326168 is about 1248.1200900081.

The spelling of 1944326168 in words is "one billion, nine hundred forty-four million, three hundred twenty-six thousand, one hundred sixty-eight".