168946328219 has 12 divisors (see below), whose sum is σ = 180273799104. Its totient is φ = 158295206784.

The previous prime is 168946328207. The next prime is 168946328227. The reversal of 168946328219 is 912823649861.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-168946328219 is a prime.

It is a super-2 number, since 2×168946328219² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168946328249) 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, 1246292 + ... + 1375185.

It is an arithmetic number, because the mean of its divisors is an integer number (15022816592).

Almost surely, 2^168946328219 is an apocalyptic number.

168946328219 is a deficient number, since it is larger than the sum of its proper divisors (11327470885).

168946328219 is a wasteful number, since it uses less digits than its factorization.

168946328219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2621734 (or 2621717 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 59.

The spelling of 168946328219 in words is "one hundred sixty-eight billion, nine hundred forty-six million, three hundred twenty-eight thousand, two hundred nineteen".