918158416443 has 12 divisors (see below), whose sum is σ = 1327944524400. Its totient is φ = 611313749136.

The previous prime is 918158416339. The next prime is 918158416447. The reversal of 918158416443 is 344614851819.

918158416443 is a `hidden beast` number, since 9 + 1 + 8 + 1 + 584 + 16 + 4 + 43 = 666.

918158416443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 918158416443 - 2²⁴ = 918141639227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 918158416443.

It is not an unprimeable number, because it can be changed into a prime (918158416447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65981143 + ... + 65995056.

It is an arithmetic number, because the mean of its divisors is an integer number (110662043700).

Almost surely, 2^918158416443 is an apocalyptic number.

918158416443 is a deficient number, since it is larger than the sum of its proper divisors (409786107957).

918158416443 is a wasteful number, since it uses less digits than its factorization.

918158416443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131976978 (or 131976975 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 54.

The spelling of 918158416443 in words is "nine hundred eighteen billion, one hundred fifty-eight million, four hundred sixteen thousand, four hundred forty-three".