16442670124537 has 2 divisors, whose sum is σ = 16442670124538. Its totient is φ = 16442670124536.

The previous prime is 16442670124471. The next prime is 16442670124571. The reversal of 16442670124537 is 73542107624461.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12584160277056 + 3858509847481 = 3547416^2 + 1964309^2 .

It is a cyclic number.

It is not a de Polignac number, because 16442670124537 - 2³⁹ = 15892914310649 is a prime.

It is a super-3 number, since 3×16442670124537³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (16442670124597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8221335062268 + 8221335062269.

It is an arithmetic number, because the mean of its divisors is an integer number (8221335062269).

Almost surely, 2^{16442670124537} is an apocalyptic number.

It is an amenable number.

16442670124537 is a deficient number, since it is larger than the sum of its proper divisors (1).

16442670124537 is an equidigital number, since it uses as much as digits as its factorization.

16442670124537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6773760, while the sum is 52.

Adding to 16442670124537 its reverse (73542107624461), we get a palindrome (89984777748998).

The spelling of 16442670124537 in words is "sixteen trillion, four hundred forty-two billion, six hundred seventy million, one hundred twenty-four thousand, five hundred thirty-seven".