16432451513417 has 4 divisors (see below), whose sum is σ = 16452466680516. Its totient is φ = 16412436346320.

The previous prime is 16432451513411. The next prime is 16432451513531. The reversal of 16432451513417 is 71431515423461.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9542934218896 + 6889517294521 = 3089164^2 + 2624789^2 .

It is a cyclic number.

It is not a de Polignac number, because 16432451513417 - 2⁶ = 16432451513353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16432451513411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10007582318 + ... + 10007583959.

It is an arithmetic number, because the mean of its divisors is an integer number (4113116670129).

Almost surely, 2^{16432451513417} is an apocalyptic number.

It is an amenable number.

16432451513417 is a deficient number, since it is larger than the sum of its proper divisors (20015167099).

16432451513417 is an equidigital number, since it uses as much as digits as its factorization.

16432451513417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20015167098.

The product of its digits is 1209600, while the sum is 47.

Adding to 16432451513417 its reverse (71431515423461), we get a palindrome (87863966936878).

The spelling of 16432451513417 in words is "sixteen trillion, four hundred thirty-two billion, four hundred fifty-one million, five hundred thirteen thousand, four hundred seventeen".