1144866168 has 48 divisors (see below), whose sum is σ = 3132664080. Its totient is φ = 377685504.

The previous prime is 1144866161. The next prime is 1144866181. The reversal of 1144866168 is 8616684411.

1144866168 is a `hidden beast` number, since 1 + 1 + 4 + 486 + 6 + 168 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144866161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74980 + ... + 88947.

It is an arithmetic number, because the mean of its divisors is an integer number (65263835).

Almost surely, 2^1144866168 is an apocalyptic number.

1144866168 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1144866168 is an abundant number, since it is smaller than the sum of its proper divisors (1987797912).

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

1144866168 is a wasteful number, since it uses less digits than its factorization.

1144866168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164036 (or 164029 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 1144866168 is about 33835.8710246980. The cubic root of 1144866168 is about 1046.1281949471.

The spelling of 1144866168 in words is "one billion, one hundred forty-four million, eight hundred sixty-six thousand, one hundred sixty-eight".