16432566320415 has 48 divisors (see below), whose sum is σ = 30621948968160. Its totient is φ = 7502880188160.

The previous prime is 16432566320389. The next prime is 16432566320453. The reversal of 16432566320415 is 51402366523461.

It is not a de Polignac number, because 16432566320415 - 2¹⁵ = 16432566287647 is a prime.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 13012420 + ... + 14219289.

It is an arithmetic number, because the mean of its divisors is an integer number (637957270170).

Almost surely, 2^{16432566320415} is an apocalyptic number.

16432566320415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16432566320415 is a deficient number, since it is larger than the sum of its proper divisors (14189382647745).

16432566320415 is a wasteful number, since it uses less digits than its factorization.

16432566320415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27232552 (or 27232545 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 48.

The spelling of 16432566320415 in words is "sixteen trillion, four hundred thirty-two billion, five hundred sixty-six million, three hundred twenty thousand, four hundred fifteen".