22737461616557 has 2 divisors, whose sum is σ = 22737461616558. Its totient is φ = 22737461616556.

The previous prime is 22737461616521. The next prime is 22737461616587. The reversal of 22737461616557 is 75561616473722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20201959526281 + 2535502090276 = 4494659^2 + 1592326^2 .

It is a cyclic number.

It is not a de Polignac number, because 22737461616557 - 2¹⁴ = 22737461600173 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22737461616557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22737461616587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11368730808278 + 11368730808279.

It is an arithmetic number, because the mean of its divisors is an integer number (11368730808279).

Almost surely, 2^{22737461616557} is an apocalyptic number.

It is an amenable number.

22737461616557 is a deficient number, since it is larger than the sum of its proper divisors (1).

22737461616557 is an equidigital number, since it uses as much as digits as its factorization.

22737461616557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 88905600, while the sum is 62.

The spelling of 22737461616557 in words is "twenty-two trillion, seven hundred thirty-seven billion, four hundred sixty-one million, six hundred sixteen thousand, five hundred fifty-seven".