16118977189 has 8 divisors (see below), whose sum is σ = 18464433408. Its totient is φ = 13784207280.

The previous prime is 16118977181. The next prime is 16118977201. The reversal of 16118977189 is 98177981161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16118977189 - 2³ = 16118977181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16118977181) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2668342 + ... + 2674375.

It is an arithmetic number, because the mean of its divisors is an integer number (2308054176).

Almost surely, 2^16118977189 is an apocalyptic number.

It is an amenable number.

16118977189 is a deficient number, since it is larger than the sum of its proper divisors (2345456219).

16118977189 is an equidigital number, since it uses as much as digits as its factorization.

16118977189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5343155.

The product of its digits is 1524096, while the sum is 58.

The spelling of 16118977189 in words is "sixteen billion, one hundred eighteen million, nine hundred seventy-seven thousand, one hundred eighty-nine".