16118943745 has 8 divisors (see below), whose sum is σ = 19393238016. Its totient is φ = 12861484656.

The previous prime is 16118943727. The next prime is 16118943761. The reversal of 16118943745 is 54734981161.

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 16118943745 - 2⁵ = 16118943713 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4206687 + ... + 4210516.

It is an arithmetic number, because the mean of its divisors is an integer number (2424154752).

Almost surely, 2^16118943745 is an apocalyptic number.

It is an amenable number.

16118943745 is a deficient number, since it is larger than the sum of its proper divisors (3274294271).

16118943745 is an equidigital number, since it uses as much as digits as its factorization.

16118943745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8417591.

The product of its digits is 725760, while the sum is 49.

The spelling of 16118943745 in words is "sixteen billion, one hundred eighteen million, nine hundred forty-three thousand, seven hundred forty-five".