163534404602217 has 12 divisors (see below), whose sum is σ = 239670256883120. Its totient is φ = 99111760364760.

The previous prime is 163534404602171. The next prime is 163534404602237. The reversal of 163534404602217 is 712206404435361.

It is not a de Polignac number, because 163534404602217 - 2¹⁹ = 163534404077929 is a prime.

It is a super-2 number, since 2×163534404602217² (a number of 29 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163534404602237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 225254000467 + ... + 225254001192.

Almost surely, 2^{163534404602217} is an apocalyptic number.

It is an amenable number.

163534404602217 is a deficient number, since it is larger than the sum of its proper divisors (76135852280903).

163534404602217 is a wasteful number, since it uses less digits than its factorization.

163534404602217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450508001684 (or 450508001673 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 48.

The spelling of 163534404602217 in words is "one hundred sixty-three trillion, five hundred thirty-four billion, four hundred four million, six hundred two thousand, two hundred seventeen".