163439482217 has 8 divisors (see below), whose sum is σ = 178317976800. Its totient is φ = 148564380960.

The previous prime is 163439482181. The next prime is 163439482243. The reversal of 163439482217 is 712284934361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 163439482217 - 2²⁸ = 163171046761 is a prime.

It is a super-2 number, since 2×163439482217² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163439482267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 747092 + ... + 940757.

It is an arithmetic number, because the mean of its divisors is an integer number (22289747100).

Almost surely, 2^163439482217 is an apocalyptic number.

It is an amenable number.

163439482217 is a deficient number, since it is larger than the sum of its proper divisors (14878494583).

163439482217 is a wasteful number, since it uses less digits than its factorization.

163439482217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696663.

The product of its digits is 1741824, while the sum is 50.

The spelling of 163439482217 in words is "one hundred sixty-three billion, four hundred thirty-nine million, four hundred eighty-two thousand, two hundred seventeen".