16686118088 has 8 divisors (see below), whose sum is σ = 31286471430. Its totient is φ = 8343059040.

The previous prime is 16686118081. The next prime is 16686118109. The reversal of 16686118088 is 88081168661.

It is a happy number.

16686118088 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 14932351204 + 1753766884 = 122198^2 + 41878^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (16686118081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1042882373 + ... + 1042882388.

Almost surely, 2^16686118088 is an apocalyptic number.

It is an amenable number.

16686118088 is a deficient number, since it is larger than the sum of its proper divisors (14600353342).

16686118088 is a wasteful number, since it uses less digits than its factorization.

16686118088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2085764767 (or 2085764763 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 53.

The spelling of 16686118088 in words is "sixteen billion, six hundred eighty-six million, one hundred eighteen thousand, eighty-eight".