168080971 has 4 divisors (see below), whose sum is σ = 168415632. Its totient is φ = 167746312.

The previous prime is 168080963. The next prime is 168080981. The reversal of 168080971 is 179080861.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 168080971 - 2³ = 168080963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168080981) 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, 166576 + ... + 167581.

It is an arithmetic number, because the mean of its divisors is an integer number (42103908).

Almost surely, 2^168080971 is an apocalyptic number.

168080971 is a deficient number, since it is larger than the sum of its proper divisors (334661).

168080971 is an equidigital number, since it uses as much as digits as its factorization.

168080971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334660.

The product of its (nonzero) digits is 24192, while the sum is 40.

The square root of 168080971 is about 12964.6045446824. The cubic root of 168080971 is about 551.8734689943.

The spelling of 168080971 in words is "one hundred sixty-eight million, eighty thousand, nine hundred seventy-one".