16545656251732 has 12 divisors (see below), whose sum is σ = 28956066479956. Its totient is φ = 8272494400320.

The previous prime is 16545656251627. The next prime is 16545656251799. The reversal of 16545656251732 is 23715265654561.

It can be written as a sum of positive squares in 2 ways, for example, as 11089339564356 + 5456316687376 = 3330066^2 + 2335876^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83319819 + ... + 83518162.

Almost surely, 2^{16545656251732} is an apocalyptic number.

It is an amenable number.

16545656251732 is a deficient number, since it is larger than the sum of its proper divisors (12410410228224).

16545656251732 is a wasteful number, since it uses less digits than its factorization.

16545656251732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166862778 (or 166862776 counting only the distinct ones).

The product of its digits is 45360000, while the sum is 58.

The spelling of 16545656251732 in words is "sixteen trillion, five hundred forty-five billion, six hundred fifty-six million, two hundred fifty-one thousand, seven hundred thirty-two".