163606242432065 has 32 divisors (see below), whose sum is σ = 202773352320000. Its totient is φ = 126592461999360.

The previous prime is 163606242432007. The next prime is 163606242432071. The reversal of 163606242432065 is 560234242606361.

It is not a de Polignac number, because 163606242432065 - 2⁸ = 163606242431809 is a prime.

It is a super-2 number, since 2×163606242432065² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4451973311 + ... + 4452010059.

It is an arithmetic number, because the mean of its divisors is an integer number (6336667260000).

Almost surely, 2^{163606242432065} is an apocalyptic number.

It is an amenable number.

163606242432065 is a deficient number, since it is larger than the sum of its proper divisors (39167109887935).

163606242432065 is a wasteful number, since it uses less digits than its factorization.

163606242432065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51977.

The product of its (nonzero) digits is 7464960, while the sum is 50.

The spelling of 163606242432065 in words is "one hundred sixty-three trillion, six hundred six billion, two hundred forty-two million, four hundred thirty-two thousand, sixty-five".