16432523513325 has 48 divisors (see below), whose sum is σ = 30637708932160. Its totient is φ = 8633206359360.

The previous prime is 16432523513321. The next prime is 16432523513363. The reversal of 16432523513325 is 52331532523461.

16432523513325 is a `hidden beast` number, since 1 + 6 + 43 + 2 + 523 + 51 + 3 + 32 + 5 = 666.

It is not a de Polignac number, because 16432523513325 - 2² = 16432523513321 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16432523513321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 181629994 + ... + 181720443.

Almost surely, 2^{16432523513325} is an apocalyptic number.

16432523513325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16432523513325 is a deficient number, since it is larger than the sum of its proper divisors (14205185418835).

16432523513325 is a wasteful number, since it uses less digits than its factorization.

16432523513325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363350523 (or 363350512 counting only the distinct ones).

The product of its digits is 1944000, while the sum is 45.

The spelling of 16432523513325 in words is "sixteen trillion, four hundred thirty-two billion, five hundred twenty-three million, five hundred thirteen thousand, three hundred twenty-five".