2168863488 has 108 divisors (see below), whose sum is σ = 6821935848. Its totient is φ = 657223680.

The previous prime is 2168863441. The next prime is 2168863511. The reversal of 2168863488 is 8843688612.

2168863488 is a `hidden beast` number, since 21 + 6 + 88 + 63 + 488 = 666.

It is a super-2 number, since 2×2168863488² = 9407937659159052288, which contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 17445 + ... + 68132.

Almost surely, 2^2168863488 is an apocalyptic number.

It is an amenable number.

2168863488 is an abundant number, since it is smaller than the sum of its proper divisors (4653072360).

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

2168863488 is a wasteful number, since it uses less digits than its factorization.

2168863488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85610 (or 85593 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 54.

The square root of 2168863488 is about 46571.0584805628. The cubic root of 2168863488 is about 1294.4265312170.

The spelling of 2168863488 in words is "two billion, one hundred sixty-eight million, eight hundred sixty-three thousand, four hundred eighty-eight".