168080491 has 8 divisors (see below), whose sum is σ = 174041280. Its totient is φ = 162130752.

The previous prime is 168080483. The next prime is 168080509. The reversal of 168080491 is 194080861.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 168080491 - 2³ = 168080483 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 168080491.

It is not an unprimeable number, because it can be changed into a prime (168180491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39231 + ... + 43303.

It is an arithmetic number, because the mean of its divisors is an integer number (21755160).

Almost surely, 2^168080491 is an apocalyptic number.

168080491 is a deficient number, since it is larger than the sum of its proper divisors (5960789).

168080491 is a wasteful number, since it uses less digits than its factorization.

168080491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5525.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 168080491 is about 12964.5860327278. The cubic root of 168080491 is about 551.8729436532.

The spelling of 168080491 in words is "one hundred sixty-eight million, eighty thousand, four hundred ninety-one".