16442016109357 has 2 divisors, whose sum is σ = 16442016109358. Its totient is φ = 16442016109356.

The previous prime is 16442016109303. The next prime is 16442016109391. The reversal of 16442016109357 is 75390161024461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15987354499561 + 454661609796 = 3998419^2 + 674286^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16442016109357 is a prime.

It is a super-3 number, since 3×16442016109357³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16442016109357.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16442016149357) 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 as a sum of consecutive naturals, namely, 8221008054678 + 8221008054679.

It is an arithmetic number, because the mean of its divisors is an integer number (8221008054679).

Almost surely, 2^{16442016109357} is an apocalyptic number.

It is an amenable number.

16442016109357 is a deficient number, since it is larger than the sum of its proper divisors (1).

16442016109357 is an equidigital number, since it uses as much as digits as its factorization.

16442016109357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 16442016109357 in words is "sixteen trillion, four hundred forty-two billion, sixteen million, one hundred nine thousand, three hundred fifty-seven".