1616364366653 has 2 divisors, whose sum is σ = 1616364366654. Its totient is φ = 1616364366652.

The previous prime is 1616364366647. The next prime is 1616364366667. The reversal of 1616364366653 is 3566634636161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1536999898564 + 79364468089 = 1239758^2 + 281717^2 .

It is an emirp because it is prime and its reverse (3566634636161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1616364366653 - 2⁴⁰ = 516852738877 is a prime.

It is a super-2 number, since 2×1616364366653² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1616364366053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 808182183326 + 808182183327.

It is an arithmetic number, because the mean of its divisors is an integer number (808182183327).

Almost surely, 2^{1616364366653} is an apocalyptic number.

It is an amenable number.

1616364366653 is a deficient number, since it is larger than the sum of its proper divisors (1).

1616364366653 is an equidigital number, since it uses as much as digits as its factorization.

1616364366653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25194240, while the sum is 56.

The spelling of 1616364366653 in words is "one trillion, six hundred sixteen billion, three hundred sixty-four million, three hundred sixty-six thousand, six hundred fifty-three".