168080771 has 4 divisors (see below), whose sum is σ = 172180344. Its totient is φ = 163981200.

The previous prime is 168080767. The next prime is 168080777. The reversal of 168080771 is 177080861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 177080861 = 281 ⋅630181.

It is a cyclic number.

It is not a de Polignac number, because 168080771 - 2² = 168080767 is a prime.

It is a super-2 number, since 2×168080771² = 56502291159908882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168080777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2049725 + ... + 2049806.

It is an arithmetic number, because the mean of its divisors is an integer number (43045086).

Almost surely, 2^168080771 is an apocalyptic number.

168080771 is a deficient number, since it is larger than the sum of its proper divisors (4099573).

168080771 is an equidigital number, since it uses as much as digits as its factorization.

168080771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4099572.

The product of its (nonzero) digits is 18816, while the sum is 38.

The square root of 168080771 is about 12964.5968313712. The cubic root of 168080771 is about 551.8732501023.

The spelling of 168080771 in words is "one hundred sixty-eight million, eighty thousand, seven hundred seventy-one".