1388112168 has 32 divisors (see below), whose sum is σ = 3489464160. Its totient is φ = 460146240.

The previous prime is 1388112149. The next prime is 1388112191. The reversal of 1388112168 is 8612118831.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155430 + ... + 164117.

It is an arithmetic number, because the mean of its divisors is an integer number (109045755).

Almost surely, 2^1388112168 is an apocalyptic number.

It is an amenable number.

1388112168 is an abundant number, since it is smaller than the sum of its proper divisors (2101351992).

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

1388112168 is a wasteful number, since it uses less digits than its factorization.

1388112168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319737 (or 319733 counting only the distinct ones).

The product of its digits is 18432, while the sum is 39.

The square root of 1388112168 is about 37257.3773634162. The cubic root of 1388112168 is about 1115.5135596647.

The spelling of 1388112168 in words is "one billion, three hundred eighty-eight million, one hundred twelve thousand, one hundred sixty-eight".