1616057350447 has 2 divisors, whose sum is σ = 1616057350448. Its totient is φ = 1616057350446.

The previous prime is 1616057350393. The next prime is 1616057350451. The reversal of 1616057350447 is 7440537506161.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1616057350447 is a prime.

It is a super-2 number, since 2×1616057350447² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1616057350447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1616057350847) 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, 808028675223 + 808028675224.

It is an arithmetic number, because the mean of its divisors is an integer number (808028675224).

Almost surely, 2^{1616057350447} is an apocalyptic number.

1616057350447 is a deficient number, since it is larger than the sum of its proper divisors (1).

1616057350447 is an equidigital number, since it uses as much as digits as its factorization.

1616057350447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2116800, while the sum is 49.

The spelling of 1616057350447 in words is "one trillion, six hundred sixteen billion, fifty-seven million, three hundred fifty thousand, four hundred forty-seven".