16432377451325 has 36 divisors (see below), whose sum is σ = 22547238590100. Its totient is φ = 11870612793600.

The previous prime is 16432377451313. The next prime is 16432377451339. The reversal of 16432377451325 is 52315477323461.

It can be written as a sum of positive squares in 6 ways, for example, as 4653602442841 + 11778775008484 = 2157221^2 + 3432022^2 .

It is not a de Polignac number, because 16432377451325 - 2¹² = 16432377447229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 17778104 + ... + 18679553.

Almost surely, 2^{16432377451325} is an apocalyptic number.

It is an amenable number.

16432377451325 is a deficient number, since it is larger than the sum of its proper divisors (6114861138775).

16432377451325 is a wasteful number, since it uses less digits than its factorization.

16432377451325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36457838 (or 36457822 counting only the distinct ones).

The product of its digits is 12700800, while the sum is 53.

The spelling of 16432377451325 in words is "sixteen trillion, four hundred thirty-two billion, three hundred seventy-seven million, four hundred fifty-one thousand, three hundred twenty-five".