16432523171045 has 8 divisors (see below), whose sum is σ = 19805137098360. Its totient is φ = 13088612341440.

The previous prime is 16432523171033. The next prime is 16432523171047. The reversal of 16432523171045 is 54017132523461.

It can be written as a sum of positive squares in 4 ways, for example, as 5803560447364 + 10628962723681 = 2409058^2 + 3260209^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16432523171045 - 2³⁶ = 16363803694309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16432523170987 and 16432523171005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16432523171047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7175773166 + ... + 7175775455.

It is an arithmetic number, because the mean of its divisors is an integer number (2475642137295).

Almost surely, 2^{16432523171045} is an apocalyptic number.

It is an amenable number.

16432523171045 is a deficient number, since it is larger than the sum of its proper divisors (3372613927315).

16432523171045 is a wasteful number, since it uses less digits than its factorization.

16432523171045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14351548855.

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 16432523171045 in words is "sixteen trillion, four hundred thirty-two billion, five hundred twenty-three million, one hundred seventy-one thousand, forty-five".