1616547163223 has 2 divisors, whose sum is σ = 1616547163224. Its totient is φ = 1616547163222.

The previous prime is 1616547163181. The next prime is 1616547163237. The reversal of 1616547163223 is 3223617456161.

It is a strong prime.

It is an emirp because it is prime and its reverse (3223617456161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1616547163223 - 2²⁴ = 1616530386007 is a prime.

It is a super-2 number, since 2×1616547163223² (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 (1616547163243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 808273581611 + 808273581612.

It is an arithmetic number, because the mean of its divisors is an integer number (808273581612).

Almost surely, 2^{1616547163223} is an apocalyptic number.

1616547163223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1616547163223 is an equidigital number, since it uses as much as digits as its factorization.

1616547163223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 47.

The spelling of 1616547163223 in words is "one trillion, six hundred sixteen billion, five hundred forty-seven million, one hundred sixty-three thousand, two hundred twenty-three".