1616143018573 has 2 divisors, whose sum is σ = 1616143018574. Its totient is φ = 1616143018572.

The previous prime is 1616143018571. The next prime is 1616143018583. The reversal of 1616143018573 is 3758103416161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1537607440009 + 78535578564 = 1240003^2 + 280242^2 .

It is a cyclic number.

It is not a de Polignac number, because 1616143018573 - 2¹ = 1616143018571 is a prime.

It is a super-2 number, since 2×1616143018573² (a number of 25 digits) contains 22 as substring.

Together with 1616143018571, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1616143018571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 808071509286 + 808071509287.

It is an arithmetic number, because the mean of its divisors is an integer number (808071509287).

Almost surely, 2^{1616143018573} is an apocalyptic number.

It is an amenable number.

1616143018573 is a deficient number, since it is larger than the sum of its proper divisors (1).

1616143018573 is an equidigital number, since it uses as much as digits as its factorization.

1616143018573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 1616143018573 in words is "one trillion, six hundred sixteen billion, one hundred forty-three million, eighteen thousand, five hundred seventy-three".