162655973 has 2 divisors, whose sum is σ = 162655974. Its totient is φ = 162655972.

The previous prime is 162655963. The next prime is 162656009. The reversal of 162655973 is 379556261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 158583649 + 4072324 = 12593^2 + 2018^2 .

It is a cyclic number.

It is not a de Polignac number, because 162655973 - 2¹⁰ = 162654949 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162655963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81327986 + 81327987.

It is an arithmetic number, because the mean of its divisors is an integer number (81327987).

Almost surely, 2^162655973 is an apocalyptic number.

It is an amenable number.

162655973 is a deficient number, since it is larger than the sum of its proper divisors (1).

162655973 is an equidigital number, since it uses as much as digits as its factorization.

162655973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 340200, while the sum is 44.

The square root of 162655973 is about 12753.6650810659. The cubic root of 162655973 is about 545.8709783384.

The spelling of 162655973 in words is "one hundred sixty-two million, six hundred fifty-five thousand, nine hundred seventy-three".