8663800168 has 16 divisors (see below), whose sum is σ = 17200191780. Its totient is φ = 4077082368.

The previous prime is 8663800153. The next prime is 8663800279. The reversal of 8663800168 is 8610083668.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8397523044 + 266277124 = 91638^2 + 16318^2 .

It is a super-2 number, since 2×8663800168² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31852071 + ... + 31852342.

Almost surely, 2^8663800168 is an apocalyptic number.

It is an amenable number.

8663800168 is a deficient number, since it is larger than the sum of its proper divisors (8536391612).

8663800168 is a wasteful number, since it uses less digits than its factorization.

8663800168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63704436 (or 63704432 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 8663800168 is about 93079.5367844082. The cubic root of 8663800168 is about 2053.8535620576.

The spelling of 8663800168 in words is "eight billion, six hundred sixty-three million, eight hundred thousand, one hundred sixty-eight".