16672033351517 has 2 divisors, whose sum is σ = 16672033351518. Its totient is φ = 16672033351516.

The previous prime is 16672033351483. The next prime is 16672033351543. The reversal of 16672033351517 is 71515333027661.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8826062615161 + 7845970736356 = 2970869^2 + 2801066^2 .

It is a cyclic number.

It is not a de Polignac number, because 16672033351517 - 2³⁸ = 16397155444573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16672033351817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8336016675758 + 8336016675759.

It is an arithmetic number, because the mean of its divisors is an integer number (8336016675759).

Almost surely, 2^{16672033351517} is an apocalyptic number.

It is an amenable number.

16672033351517 is a deficient number, since it is larger than the sum of its proper divisors (1).

16672033351517 is an equidigital number, since it uses as much as digits as its factorization.

16672033351517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2381400, while the sum is 50.

The spelling of 16672033351517 in words is "sixteen trillion, six hundred seventy-two billion, thirty-three million, three hundred fifty-one thousand, five hundred seventeen".