16545652124725 has 48 divisors (see below), whose sum is σ = 21034315146240. Its totient is φ = 12906274097600.

The previous prime is 16545652124723. The next prime is 16545652124753. The reversal of 16545652124725 is 52742125654561.

It is not a de Polignac number, because 16545652124725 - 2¹ = 16545652124723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16545652124723) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 398602422 + ... + 398643928.

It is an arithmetic number, because the mean of its divisors is an integer number (438214898880).

Almost surely, 2^{16545652124725} is an apocalyptic number.

It is an amenable number.

16545652124725 is a deficient number, since it is larger than the sum of its proper divisors (4488663021515).

16545652124725 is a wasteful number, since it uses less digits than its factorization.

16545652124725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43770 (or 43765 counting only the distinct ones).

The product of its digits is 20160000, while the sum is 55.

The spelling of 16545652124725 in words is "sixteen trillion, five hundred forty-five billion, six hundred fifty-two million, one hundred twenty-four thousand, seven hundred twenty-five".