163606226404063 has 64 divisors (see below), whose sum is σ = 175055626137600. Its totient is φ = 152585215129600.

The previous prime is 163606226404037. The next prime is 163606226404087. The reversal of 163606226404063 is 360404622606361.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163606226404063 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163606226403998 and 163606226404016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163606226404363) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41640676683 + ... + 41640680611.

It is an arithmetic number, because the mean of its divisors is an integer number (2735244158400).

Almost surely, 2^{163606226404063} is an apocalyptic number.

163606226404063 is a deficient number, since it is larger than the sum of its proper divisors (11449399733537).

163606226404063 is a wasteful number, since it uses less digits than its factorization.

163606226404063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5112.

The product of its (nonzero) digits is 4478976, while the sum is 49.

The spelling of 163606226404063 in words is "one hundred sixty-three trillion, six hundred six billion, two hundred twenty-six million, four hundred four thousand, sixty-three".