168348486667 has 4 divisors (see below), whose sum is σ = 168454836000. Its totient is φ = 168242137336.

The previous prime is 168348486643. The next prime is 168348486671. The reversal of 168348486667 is 766684843861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 766684843861 = 29 ⋅26437408409.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168348486667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168348486167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53172292 + ... + 53175457.

It is an arithmetic number, because the mean of its divisors is an integer number (42113709000).

Almost surely, 2^168348486667 is an apocalyptic number.

168348486667 is a deficient number, since it is larger than the sum of its proper divisors (106349333).

168348486667 is a wasteful number, since it uses less digits than its factorization.

168348486667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106349332.

The product of its digits is 222953472, while the sum is 67.

The spelling of 168348486667 in words is "one hundred sixty-eight billion, three hundred forty-eight million, four hundred eighty-six thousand, six hundred sixty-seven".