16432575477671 has 4 divisors (see below), whose sum is σ = 17147035281072. Its totient is φ = 15718115674272.

The previous prime is 16432575477667. The next prime is 16432575477673. The reversal of 16432575477671 is 17677457523461.

It is a happy number.

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

It is not a de Polignac number, because 16432575477671 - 2² = 16432575477667 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16432575477598 and 16432575477607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16432575477673) 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, 357229901666 + ... + 357229901711.

It is an arithmetic number, because the mean of its divisors is an integer number (4286758820268).

Almost surely, 2^{16432575477671} is an apocalyptic number.

16432575477671 is a deficient number, since it is larger than the sum of its proper divisors (714459803401).

16432575477671 is an equidigital number, since it uses as much as digits as its factorization.

16432575477671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714459803400.

The product of its digits is 207446400, while the sum is 65.

The spelling of 16432575477671 in words is "sixteen trillion, four hundred thirty-two billion, five hundred seventy-five million, four hundred seventy-seven thousand, six hundred seventy-one".