163217056344 has 32 divisors (see below), whose sum is σ = 411255582720. Its totient is φ = 53977293216.

The previous prime is 163217056297. The next prime is 163217056357. The reversal of 163217056344 is 443650712361.

It is a junction number, because it is equal to n+sod(n) for n = 163217056296 and 163217056305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26771404 + ... + 26777499.

It is an arithmetic number, because the mean of its divisors is an integer number (12851736960).

Almost surely, 2^163217056344 is an apocalyptic number.

It is an amenable number.

163217056344 is an abundant number, since it is smaller than the sum of its proper divisors (248038526376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163217056344 is a wasteful number, since it uses less digits than its factorization.

163217056344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53549039 (or 53549035 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 163217056344 in words is "one hundred sixty-three billion, two hundred seventeen million, fifty-six thousand, three hundred forty-four".