16432445350647 has 80 divisors (see below), whose sum is σ = 26368897373280. Its totient is φ = 10161474250752.

The previous prime is 16432445350609. The next prime is 16432445350669. The reversal of 16432445350647 is 74605354423461.

16432445350647 is a `hidden beast` number, since 1 + 6 + 4 + 3 + 2 + 44 + 53 + 506 + 47 = 666.

It is not a de Polignac number, because 16432445350647 - 2¹⁹ = 16432444826359 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16432445350593 and 16432445350602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16432445300647) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 37405393 + ... + 37842149.

It is an arithmetic number, because the mean of its divisors is an integer number (329611217166).

Almost surely, 2^{16432445350647} is an apocalyptic number.

16432445350647 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

16432445350647 is a deficient number, since it is larger than the sum of its proper divisors (9936452022633).

16432445350647 is a wasteful number, since it uses less digits than its factorization.

16432445350647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437182 (or 437173 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 54.

The spelling of 16432445350647 in words is "sixteen trillion, four hundred thirty-two billion, four hundred forty-five million, three hundred fifty thousand, six hundred forty-seven".