73321108256161 has 8 divisors (see below), whose sum is σ = 76509123269184. Its totient is φ = 70133104971600.

The previous prime is 73321108256147. The next prime is 73321108256183. The reversal of 73321108256161 is 16165280112337.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73321108256161 - 2³⁹ = 72771352442273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73321108256861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11315970 + ... + 16573876.

It is an arithmetic number, because the mean of its divisors is an integer number (9563640408648).

Almost surely, 2^{73321108256161} is an apocalyptic number.

It is an amenable number.

73321108256161 is a deficient number, since it is larger than the sum of its proper divisors (3188015013023).

73321108256161 is a wasteful number, since it uses less digits than its factorization.

73321108256161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5864231.

The product of its (nonzero) digits is 362880, while the sum is 46.

Adding to 73321108256161 its reverse (16165280112337), we get a palindrome (89486388368498).

The spelling of 73321108256161 in words is "seventy-three trillion, three hundred twenty-one billion, one hundred eight million, two hundred fifty-six thousand, one hundred sixty-one".