162016889 has 2 divisors, whose sum is σ = 162016890. Its totient is φ = 162016888.

The previous prime is 162016879. The next prime is 162016927. The reversal of 162016889 is 988610261.

162016889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 151486864 + 10530025 = 12308^2 + 3245^2 .

It is a cyclic number.

It is not a de Polignac number, because 162016889 - 2⁴ = 162016873 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (162016879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81008444 + 81008445.

It is an arithmetic number, because the mean of its divisors is an integer number (81008445).

Almost surely, 2^162016889 is an apocalyptic number.

It is an amenable number.

162016889 is a deficient number, since it is larger than the sum of its proper divisors (1).

162016889 is an equidigital number, since it uses as much as digits as its factorization.

162016889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 162016889 is about 12728.5855066461. The cubic root of 162016889 is about 545.1551212344.

The spelling of 162016889 in words is "one hundred sixty-two million, sixteen thousand, eight hundred eighty-nine".