162080689 has 4 divisors (see below), whose sum is σ = 162406000. Its totient is φ = 161755380.

The previous prime is 162080641. The next prime is 162080707. The reversal of 162080689 is 986080261.

162080689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 162080689 - 2¹⁷ = 161949617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162080629) 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, 161907 + ... + 162904.

It is an arithmetic number, because the mean of its divisors is an integer number (40601500).

Almost surely, 2^162080689 is an apocalyptic number.

It is an amenable number.

162080689 is a deficient number, since it is larger than the sum of its proper divisors (325311).

162080689 is an equidigital number, since it uses as much as digits as its factorization.

162080689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325310.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 162080689 is about 12731.0914300385. The cubic root of 162080689 is about 545.2266700145.

The spelling of 162080689 in words is "one hundred sixty-two million, eighty thousand, six hundred eighty-nine".