73321108256160 has 120 divisors (see below), whose sum is σ = 258762411266436. Its totient is φ = 19552295531520.

The previous prime is 73321108256147. The next prime is 73321108256183. The reversal of 73321108256160 is 6165280112337.

It is a happy number.

73321108256160 is a `hidden beast` number, since 7 + 3 + 3 + 2 + 1 + 1 + 0 + 8 + 25 + 616 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 73294076950416 + 27031305744 = 8561196^2 + 164412^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2828733501 + ... + 2828759420.

Almost surely, 2^{73321108256160} is an apocalyptic number.

It is an amenable number.

73321108256160 is an abundant number, since it is smaller than the sum of its proper divisors (185441303010276).

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

73321108256160 is a wasteful number, since it uses less digits than its factorization.

73321108256160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5657492948 (or 5657492931 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

Adding to 73321108256160 its reverse (6165280112337), we get a palindrome (79486388368497).

The spelling of 73321108256160 in words is "seventy-three trillion, three hundred twenty-one billion, one hundred eight million, two hundred fifty-six thousand, one hundred sixty".