168926067321 has 12 divisors (see below), whose sum is σ = 247572088176. Its totient is φ = 102379434520.

The previous prime is 168926067311. The next prime is 168926067337. The reversal of 168926067321 is 123760629861.

It is not a de Polignac number, because 168926067321 - 2⁶ = 168926067257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (168926067311) 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, 232680171 + ... + 232680896.

It is an arithmetic number, because the mean of its divisors is an integer number (20631007348).

Almost surely, 2^168926067321 is an apocalyptic number.

168926067321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

168926067321 is a deficient number, since it is larger than the sum of its proper divisors (78646020855).

168926067321 is a wasteful number, since it uses less digits than its factorization.

168926067321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465361092 (or 465361081 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 51.

The spelling of 168926067321 in words is "one hundred sixty-eight billion, nine hundred twenty-six million, sixty-seven thousand, three hundred twenty-one".