7216665565333 has 4 divisors (see below), whose sum is σ = 8247617788960. Its totient is φ = 6185713341708.

The previous prime is 7216665565309. The next prime is 7216665565387. The reversal of 7216665565333 is 3335655666127.

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 7216665565333 - 2⁵ = 7216665565301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7216665565393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 515476111803 + ... + 515476111816.

It is an arithmetic number, because the mean of its divisors is an integer number (2061904447240).

Almost surely, 2^{7216665565333} is an apocalyptic number.

It is an amenable number.

7216665565333 is a deficient number, since it is larger than the sum of its proper divisors (1030952223627).

7216665565333 is a wasteful number, since it uses less digits than its factorization.

7216665565333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030952223626.

The product of its digits is 61236000, while the sum is 58.

The spelling of 7216665565333 in words is "seven trillion, two hundred sixteen billion, six hundred sixty-five million, five hundred sixty-five thousand, three hundred thirty-three".