162984091 has 2 divisors, whose sum is σ = 162984092. Its totient is φ = 162984090.

The previous prime is 162984079. The next prime is 162984113. The reversal of 162984091 is 190489261.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 162984091 - 2⁷ = 162983963 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (162984191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81492045 + 81492046.

It is an arithmetic number, because the mean of its divisors is an integer number (81492046).

Almost surely, 2^162984091 is an apocalyptic number.

162984091 is a deficient number, since it is larger than the sum of its proper divisors (1).

162984091 is an equidigital number, since it uses as much as digits as its factorization.

162984091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 162984091 is about 12766.5222750755. The cubic root of 162984091 is about 546.2377848124.

The spelling of 162984091 in words is "one hundred sixty-two million, nine hundred eighty-four thousand, ninety-one".