163245313344 has 112 divisors (see below), whose sum is σ = 449399070720. Its totient is φ = 52234721280.

The previous prime is 163245313277. The next prime is 163245313351. The reversal of 163245313344 is 443313542361.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 878529 + ... + 1047999.

Almost surely, 2^163245313344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163245313344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224699535360).

163245313344 is an abundant number, since it is smaller than the sum of its proper divisors (286153757376).

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

163245313344 is a wasteful number, since it uses less digits than its factorization.

163245313344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169688 (or 169678 counting only the distinct ones).

The product of its digits is 311040, while the sum is 39.

The spelling of 163245313344 in words is "one hundred sixty-three billion, two hundred forty-five million, three hundred thirteen thousand, three hundred forty-four".