16081860168 has 48 divisors (see below), whose sum is σ = 47514589200. Its totient is φ = 4873290720.

The previous prime is 16081860149. The next prime is 16081860169. The reversal of 16081860168 is 86106818061.

It is not an unprimeable number, because it can be changed into a prime (16081860169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10151898 + ... + 10153481.

It is an arithmetic number, because the mean of its divisors is an integer number (989887275).

Almost surely, 2^16081860168 is an apocalyptic number.

16081860168 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16081860168 is an abundant number, since it is smaller than the sum of its proper divisors (31432729032).

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

16081860168 is a wasteful number, since it uses less digits than its factorization.

16081860168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20305402 (or 20305395 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 45.

The spelling of 16081860168 in words is "sixteen billion, eighty-one million, eight hundred sixty thousand, one hundred sixty-eight".