16432716413777 has 8 divisors (see below), whose sum is σ = 17399387136456. Its totient is φ = 15466050173952.

The previous prime is 16432716413689. The next prime is 16432716413779. The reversal of 16432716413777 is 77731461723461.

It can be written as a sum of positive squares in 4 ways, for example, as 2984587939216 + 13448128474561 = 1727596^2 + 3667169^2 .

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 16432716413777 - 2¹⁰ = 16432716412753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16432716413779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9078173 + ... + 10736789.

It is an arithmetic number, because the mean of its divisors is an integer number (2174923392057).

Almost surely, 2^{16432716413777} is an apocalyptic number.

16432716413777 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

16432716413777 is a deficient number, since it is larger than the sum of its proper divisors (966670722679).

16432716413777 is a wasteful number, since it uses less digits than its factorization.

16432716413777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2241427.

The product of its digits is 24893568, while the sum is 59.

The spelling of 16432716413777 in words is "sixteen trillion, four hundred thirty-two billion, seven hundred sixteen million, four hundred thirteen thousand, seven hundred seventy-seven".