162645017 has 2 divisors, whose sum is σ = 162645018. Its totient is φ = 162645016.

The previous prime is 162645013. The next prime is 162645019. The reversal of 162645017 is 710546261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102799321 + 59845696 = 10139^2 + 7736^2 .

It is a cyclic number.

It is not a de Polignac number, because 162645017 - 2² = 162645013 is a prime.

Together with 162645019, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (162645011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81322508 + 81322509.

It is an arithmetic number, because the mean of its divisors is an integer number (81322509).

Almost surely, 2^162645017 is an apocalyptic number.

It is an amenable number.

162645017 is a deficient number, since it is larger than the sum of its proper divisors (1).

162645017 is an equidigital number, since it uses as much as digits as its factorization.

162645017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 162645017 is about 12753.2355502437. The cubic root of 162645017 is about 545.8587220067.

The spelling of 162645017 in words is "one hundred sixty-two million, six hundred forty-five thousand, seventeen".