8216225605073 has 4 divisors (see below), whose sum is σ = 8265424560960. Its totient is φ = 8167026649188.

The previous prime is 8216225605069. The next prime is 8216225605097. The reversal of 8216225605073 is 3705065226128.

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 a cyclic number.

It is not a de Polignac number, because 8216225605073 - 2² = 8216225605069 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8216225605873) 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, 24599477693 + ... + 24599478026.

It is an arithmetic number, because the mean of its divisors is an integer number (2066356140240).

Almost surely, 2^{8216225605073} is an apocalyptic number.

It is an amenable number.

8216225605073 is a deficient number, since it is larger than the sum of its proper divisors (49198955887).

8216225605073 is a wasteful number, since it uses less digits than its factorization.

8216225605073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49198955886.

The product of its (nonzero) digits is 1209600, while the sum is 47.

The spelling of 8216225605073 in words is "eight trillion, two hundred sixteen billion, two hundred twenty-five million, six hundred five thousand, seventy-three".