1616360216533 has 2 divisors, whose sum is σ = 1616360216534. Its totient is φ = 1616360216532.

The previous prime is 1616360216531. The next prime is 1616360216543. The reversal of 1616360216533 is 3356120636161.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1609911805329 + 6448411204 = 1268823^2 + 80302^2 .

It is a cyclic number.

It is not a de Polignac number, because 1616360216533 - 2¹ = 1616360216531 is a prime.

It is a super-2 number, since 2×1616360216533² (a number of 25 digits) contains 22 as substring.

Together with 1616360216531, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1616360216533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1616360216531) 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, 808180108266 + 808180108267.

It is an arithmetic number, because the mean of its divisors is an integer number (808180108267).

Almost surely, 2^{1616360216533} is an apocalyptic number.

It is an amenable number.

1616360216533 is a deficient number, since it is larger than the sum of its proper divisors (1).

1616360216533 is an equidigital number, since it uses as much as digits as its factorization.

1616360216533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 349920, while the sum is 43.

The spelling of 1616360216533 in words is "one trillion, six hundred sixteen billion, three hundred sixty million, two hundred sixteen thousand, five hundred thirty-three".