16545122610573 has 4 divisors (see below), whose sum is σ = 22060163480768. Its totient is φ = 11030081740380.

The previous prime is 16545122610571. The next prime is 16545122610607. The reversal of 16545122610573 is 37501622154561.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 16545122610573 - 2¹ = 16545122610571 is a prime.

It is a super-2 number, since 2×16545122610573² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16545122610571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2757520435093 + ... + 2757520435098.

It is an arithmetic number, because the mean of its divisors is an integer number (5515040870192).

Almost surely, 2^{16545122610573} is an apocalyptic number.

It is an amenable number.

16545122610573 is a deficient number, since it is larger than the sum of its proper divisors (5515040870195).

16545122610573 is an equidigital number, since it uses as much as digits as its factorization.

16545122610573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5515040870194.

The product of its (nonzero) digits is 1512000, while the sum is 48.

The spelling of 16545122610573 in words is "sixteen trillion, five hundred forty-five billion, one hundred twenty-two million, six hundred ten thousand, five hundred seventy-three".