667445071116 has 48 divisors (see below), whose sum is σ = 1622396522880. Its totient is φ = 213376394880.

The previous prime is 667445071093. The next prime is 667445071151. The reversal of 667445071116 is 611170544766.

667445071116 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11467546 + ... + 11525601.

It is an arithmetic number, because the mean of its divisors is an integer number (33799927560).

Almost surely, 2^667445071116 is an apocalyptic number.

It is an amenable number.

667445071116 is an abundant number, since it is smaller than the sum of its proper divisors (954951451764).

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

667445071116 is a wasteful number, since it uses less digits than its factorization.

667445071116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22993254 (or 22993252 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 667445071116 in words is "six hundred sixty-seven billion, four hundred forty-five million, seventy-one thousand, one hundred sixteen".