163318601264 has 240 divisors, whose sum is σ = 416298355200. Its totient is φ = 60601042944.

The previous prime is 163318601261. The next prime is 163318601269. The reversal of 163318601264 is 462106813361.

It is not an unprimeable number, because it can be changed into a prime (163318601261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37039892 + ... + 37044300.

It is an arithmetic number, because the mean of its divisors is an integer number (1734576480).

Almost surely, 2^163318601264 is an apocalyptic number.

163318601264 is a gapful number since it is divisible by the number (14) 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 163318601264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208149177600).

163318601264 is an abundant number, since it is smaller than the sum of its proper divisors (252979753936).

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

163318601264 is a wasteful number, since it uses less digits than its factorization.

163318601264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4572 (or 4553 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 163318601264 in words is "one hundred sixty-three billion, three hundred eighteen million, six hundred one thousand, two hundred sixty-four".