168676371839 has 8 divisors (see below), whose sum is σ = 177559155840. Its totient is φ = 159794095896.

The previous prime is 168676371833. The next prime is 168676371881. The reversal of 168676371839 is 938173676861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168676371839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168676371833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 688934 + ... + 901100.

It is an arithmetic number, because the mean of its divisors is an integer number (22194894480).

Almost surely, 2^168676371839 is an apocalyptic number.

168676371839 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

168676371839 is a deficient number, since it is larger than the sum of its proper divisors (8882784001).

168676371839 is a wasteful number, since it uses less digits than its factorization.

168676371839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254029.

The product of its digits is 54867456, while the sum is 65.

The spelling of 168676371839 in words is "one hundred sixty-eight billion, six hundred seventy-six million, three hundred seventy-one thousand, eight hundred thirty-nine".