7366122216637 has 4 divisors (see below), whose sum is σ = 7799423523516. Its totient is φ = 6932820909760.

The previous prime is 7366122216631. The next prime is 7366122216707.

7366122216637 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6532783276761 + 833338939876 = 2555931^2 + 912874^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7366122216637 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 (7366122216631) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 216650653414 + ... + 216650653447.

It is an arithmetic number, because the mean of its divisors is an integer number (1949855880879).

Almost surely, 2^{7366122216637} is an apocalyptic number.

It is an amenable number.

7366122216637 is a deficient number, since it is larger than the sum of its proper divisors (433301306879).

7366122216637 is a wasteful number, since it uses less digits than its factorization.

7366122216637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433301306878.

The product of its digits is 4572288, while the sum is 52.

The spelling of 7366122216637 in words is "seven trillion, three hundred sixty-six billion, one hundred twenty-two million, two hundred sixteen thousand, six hundred thirty-seven".