162326993 has 2 divisors, whose sum is σ = 162326994. Its totient is φ = 162326992.

The previous prime is 162326959. The next prime is 162327017. The reversal of 162326993 is 399623261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161976529 + 350464 = 12727^2 + 592^2 .

It is a cyclic number.

It is not a de Polignac number, because 162326993 - 2⁸ = 162326737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 162326993.

It is not a weakly prime, because it can be changed into another prime (162326903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81163496 + 81163497.

It is an arithmetic number, because the mean of its divisors is an integer number (81163497).

Almost surely, 2^162326993 is an apocalyptic number.

It is an amenable number.

162326993 is a deficient number, since it is larger than the sum of its proper divisors (1).

162326993 is an equidigital number, since it uses as much as digits as its factorization.

162326993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 104976, while the sum is 41.

The square root of 162326993 is about 12740.7610840169. The cubic root of 162326993 is about 545.5027126513.

The spelling of 162326993 in words is "one hundred sixty-two million, three hundred twenty-six thousand, nine hundred ninety-three".