162366961 has 2 divisors, whose sum is σ = 162366962. Its totient is φ = 162366960.

The previous prime is 162366947. The next prime is 162366973. The reversal of 162366961 is 169663261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155376225 + 6990736 = 12465^2 + 2644^2 .

It is a cyclic number.

It is not a de Polignac number, because 162366961 - 2¹¹ = 162364913 is a prime.

It is equal to p_9099661 and since 162366961 and 9099661 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (162366161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81183480 + 81183481.

It is an arithmetic number, because the mean of its divisors is an integer number (81183481).

Almost surely, 2^162366961 is an apocalyptic number.

It is an amenable number.

162366961 is a deficient number, since it is larger than the sum of its proper divisors (1).

162366961 is an equidigital number, since it uses as much as digits as its factorization.

162366961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 40.

The square root of 162366961 is about 12742.3294966030. The cubic root of 162366961 is about 545.5474800327.

The spelling of 162366961 in words is "one hundred sixty-two million, three hundred sixty-six thousand, nine hundred sixty-one".