163283044320 has 768 divisors, whose sum is σ = 666639590400. Its totient is φ = 36887592960.

The previous prime is 163283044289. The next prime is 163283044333. The reversal of 163283044320 is 23440382361.

163283044320 is a `hidden beast` number, since 1 + 6 + 3 + 28 + 304 + 4 + 320 = 666.

It is a super-2 number, since 2×163283044320² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 86437936 + ... + 86439824.

It is an arithmetic number, because the mean of its divisors is an integer number (868020300).

Almost surely, 2^163283044320 is an apocalyptic number.

163283044320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163283044320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333319795200).

163283044320 is an abundant number, since it is smaller than the sum of its proper divisors (503356546080).

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

163283044320 is a wasteful number, since it uses less digits than its factorization.

163283044320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2048 (or 2034 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 163283044320 in words is "one hundred sixty-three billion, two hundred eighty-three million, forty-four thousand, three hundred twenty".