1616474453189 has 2 divisors, whose sum is σ = 1616474453190. Its totient is φ = 1616474453188.

The previous prime is 1616474453171. The next prime is 1616474453213. The reversal of 1616474453189 is 9813544746161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1096261350625 + 520213102564 = 1047025^2 + 721258^2 .

It is a cyclic number.

It is not a de Polignac number, because 1616474453189 - 2¹⁶ = 1616474387653 is a prime.

It is a super-2 number, since 2×1616474453189² (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 (1616474453119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 808237226594 + 808237226595.

It is an arithmetic number, because the mean of its divisors is an integer number (808237226595).

Almost surely, 2^{1616474453189} is an apocalyptic number.

It is an amenable number.

1616474453189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1616474453189 is an equidigital number, since it uses as much as digits as its factorization.

1616474453189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17418240, while the sum is 59.

The spelling of 1616474453189 in words is "one trillion, six hundred sixteen billion, four hundred seventy-four million, four hundred fifty-three thousand, one hundred eighty-nine".