73211680660017 has 4 divisors (see below), whose sum is σ = 97615574213360. Its totient is φ = 48807787106676.

The previous prime is 73211680660009. The next prime is 73211680660031. The reversal of 73211680660017 is 71006608611237.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 73211680660017 - 2³ = 73211680660009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73211680640017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12201946776667 + ... + 12201946776672.

It is an arithmetic number, because the mean of its divisors is an integer number (24403893553340).

Almost surely, 2^{73211680660017} is an apocalyptic number.

It is an amenable number.

73211680660017 is a deficient number, since it is larger than the sum of its proper divisors (24403893553343).

73211680660017 is a wasteful number, since it uses less digits than its factorization.

73211680660017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24403893553342.

The product of its (nonzero) digits is 508032, while the sum is 48.

The spelling of 73211680660017 in words is "seventy-three trillion, two hundred eleven billion, six hundred eighty million, six hundred sixty thousand, seventeen".