1612816480169 has 8 divisors (see below), whose sum is σ = 1735682924808. Its totient is φ = 1493060578560.

The previous prime is 1612816480159. The next prime is 1612816480229. The reversal of 1612816480169 is 9610846182161.

It can be written as a sum of positive squares in 4 ways, for example, as 287987856025 + 1324828624144 = 536645^2 + 1151012^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1612816480169 - 2⁴ = 1612816480153 is a prime.

It is a super-2 number, since 2×1612816480169² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1612816480169.

It is not an unprimeable number, because it can be changed into a prime (1612816480159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 777634682 + ... + 777636755.

It is an arithmetic number, because the mean of its divisors is an integer number (216960365601).

Almost surely, 2^{1612816480169} is an apocalyptic number.

It is an amenable number.

1612816480169 is a deficient number, since it is larger than the sum of its proper divisors (122866444639).

1612816480169 is a wasteful number, since it uses less digits than its factorization.

1612816480169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555271515.

The product of its (nonzero) digits is 995328, while the sum is 53.

The spelling of 1612816480169 in words is "one trillion, six hundred twelve billion, eight hundred sixteen million, four hundred eighty thousand, one hundred sixty-nine".