2163754768 has 20 divisors (see below), whose sum is σ = 4791171520. Its totient is φ = 927323424.

The previous prime is 2163754763. The next prime is 2163754777. The reversal of 2163754768 is 8674573612.

It is not an unprimeable number, because it can be changed into a prime (2163754763) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 9659508 + ... + 9659731.

It is an arithmetic number, because the mean of its divisors is an integer number (239558576).

Almost surely, 2^2163754768 is an apocalyptic number.

2163754768 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2163754768 is an abundant number, since it is smaller than the sum of its proper divisors (2627416752).

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

2163754768 is a wasteful number, since it uses less digits than its factorization.

2163754768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19319254 (or 19319248 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 49.

The square root of 2163754768 is about 46516.1774869776. The cubic root of 2163754768 is about 1293.4093991705.

The spelling of 2163754768 in words is "two billion, one hundred sixty-three million, seven hundred fifty-four thousand, seven hundred sixty-eight".