16452040573 has 4 divisors (see below), whose sum is σ = 16483618908. Its totient is φ = 16420462240.

The previous prime is 16452040567. The next prime is 16452040669. The reversal of 16452040573 is 37504025461.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5541611364 + 10910429209 = 74442^2 + 104453^2 .

It is a cyclic number.

It is not a de Polignac number, because 16452040573 - 2²⁹ = 15915169661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16452040523) 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, 15788386 + ... + 15789427.

It is an arithmetic number, because the mean of its divisors is an integer number (4120904727).

Almost surely, 2^16452040573 is an apocalyptic number.

It is an amenable number.

16452040573 is a deficient number, since it is larger than the sum of its proper divisors (31578335).

16452040573 is an equidigital number, since it uses as much as digits as its factorization.

16452040573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31578334.

The product of its (nonzero) digits is 100800, while the sum is 37.

The spelling of 16452040573 in words is "sixteen billion, four hundred fifty-two million, forty thousand, five hundred seventy-three".