16432441505433 has 12 divisors (see below), whose sum is σ = 23736444878640. Its totient is φ = 10954639755576.

The previous prime is 16432441505407. The next prime is 16432441505453. The reversal of 16432441505433 is 33450514423461.

16432441505433 is a `hidden beast` number, since 1 + 6 + 43 + 24 + 4 + 150 + 5 + 433 = 666.

It is not a de Polignac number, because 16432441505433 - 2³⁰ = 16431367763609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16432441505453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26446503 + ... + 27060716.

It is an arithmetic number, because the mean of its divisors is an integer number (1978037073220).

Almost surely, 2^{16432441505433} is an apocalyptic number.

It is an amenable number.

16432441505433 is a deficient number, since it is larger than the sum of its proper divisors (7304003373207).

16432441505433 is a wasteful number, since it uses less digits than its factorization.

16432441505433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53541348 (or 53541345 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 45.

Adding to 16432441505433 its reverse (33450514423461), we get a palindrome (49882955928894).

The spelling of 16432441505433 in words is "sixteen trillion, four hundred thirty-two billion, four hundred forty-one million, five hundred five thousand, four hundred thirty-three".