162481817 has 2 divisors, whose sum is σ = 162481818. Its totient is φ = 162481816.

The previous prime is 162481783. The next prime is 162481841. The reversal of 162481817 is 718184261.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89567296 + 72914521 = 9464^2 + 8539^2 .

It is a cyclic number.

It is not a de Polignac number, because 162481817 - 2¹⁰ = 162480793 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (162481877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81240908 + 81240909.

It is an arithmetic number, because the mean of its divisors is an integer number (81240909).

Almost surely, 2^162481817 is an apocalyptic number.

It is an amenable number.

162481817 is a deficient number, since it is larger than the sum of its proper divisors (1).

162481817 is an equidigital number, since it uses as much as digits as its factorization.

162481817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21504, while the sum is 38.

The square root of 162481817 is about 12746.8355680930. The cubic root of 162481817 is about 545.6760871336.

The spelling of 162481817 in words is "one hundred sixty-two million, four hundred eighty-one thousand, eight hundred seventeen".