162046189 has 2 divisors, whose sum is σ = 162046190. Its totient is φ = 162046188.

The previous prime is 162046187. The next prime is 162046219. The reversal of 162046189 is 981640261.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135606025 + 26440164 = 11645^2 + 5142^2 .

It is a cyclic number.

It is not a de Polignac number, because 162046189 - 2¹ = 162046187 is a prime.

Together with 162046187, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162046187) 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 as a sum of consecutive naturals, namely, 81023094 + 81023095.

It is an arithmetic number, because the mean of its divisors is an integer number (81023095).

Almost surely, 2^162046189 is an apocalyptic number.

It is an amenable number.

162046189 is a deficient number, since it is larger than the sum of its proper divisors (1).

162046189 is an equidigital number, since it uses as much as digits as its factorization.

162046189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 162046189 is about 12729.7364073260. The cubic root of 162046189 is about 545.1879821753.

The spelling of 162046189 in words is "one hundred sixty-two million, forty-six thousand, one hundred eighty-nine".