162984961 has 4 divisors (see below), whose sum is σ = 163422292. Its totient is φ = 162547632.

The previous prime is 162984953. The next prime is 162984977. The reversal of 162984961 is 169489261.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 169489261 = 1423 ⋅119107.

It can be written as a sum of positive squares in 2 ways, for example, as 140564736 + 22420225 = 11856^2 + 4735^2 .

It is a cyclic number.

It is not a de Polignac number, because 162984961 - 2³ = 162984953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162984931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218106 + ... + 218851.

It is an arithmetic number, because the mean of its divisors is an integer number (40855573).

Almost surely, 2^162984961 is an apocalyptic number.

It is an amenable number.

162984961 is a deficient number, since it is larger than the sum of its proper divisors (437331).

162984961 is an equidigital number, since it uses as much as digits as its factorization.

162984961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437330.

The product of its digits is 186624, while the sum is 46.

The square root of 162984961 is about 12766.5563485225. The cubic root of 162984961 is about 546.2387567396.

The spelling of 162984961 in words is "one hundred sixty-two million, nine hundred eighty-four thousand, nine hundred sixty-one".