73163797863200 has 144 divisors (see below), whose sum is σ = 195123334432320. Its totient is φ = 26567490432000.

The previous prime is 73163797863179. The next prime is 73163797863209. The reversal of 73163797863200 is 236879736137.

It is not an unprimeable number, because it can be changed into a prime (73163797863209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 375965 + ... + 12102435.

It is an arithmetic number, because the mean of its divisors is an integer number (1355023155780).

Almost surely, 2^{73163797863200} 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 73163797863200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97561667216160).

73163797863200 is an abundant number, since it is smaller than the sum of its proper divisors (121959536569120).

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

73163797863200 is a wasteful number, since it uses less digits than its factorization.

73163797863200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11727211 (or 11727198 counting only the distinct ones).

The product of its (nonzero) digits is 48009024, while the sum is 62.

The spelling of 73163797863200 in words is "seventy-three trillion, one hundred sixty-three billion, seven hundred ninety-seven million, eight hundred sixty-three thousand, two hundred".