168458586216 has 16 divisors (see below), whose sum is σ = 421146465600. Its totient is φ = 56152862064.

The previous prime is 168458586181. The next prime is 168458586221. The reversal of 168458586216 is 612685854861.

It is a self number, because there is not a number n which added to its sum of digits gives 168458586216.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3509553856 + ... + 3509553903.

It is an arithmetic number, because the mean of its divisors is an integer number (26321654100).

Almost surely, 2^168458586216 is an apocalyptic number.

It is an amenable number.

168458586216 is an abundant number, since it is smaller than the sum of its proper divisors (252687879384).

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

168458586216 is a wasteful number, since it uses less digits than its factorization.

168458586216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7019107768 (or 7019107764 counting only the distinct ones).

The product of its digits is 22118400, while the sum is 60.

The spelling of 168458586216 in words is "one hundred sixty-eight billion, four hundred fifty-eight million, five hundred eighty-six thousand, two hundred sixteen".