16545064553573 has 4 divisors (see below), whose sum is σ = 16603527679488. Its totient is φ = 16486601427660.

The previous prime is 16545064553557. The next prime is 16545064553587. The reversal of 16545064553573 is 37535546054561.

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 a cyclic number.

It is not a de Polignac number, because 16545064553573 - 2⁴ = 16545064553557 is a prime.

It is a super-2 number, since 2×16545064553573² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16545064553543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29231562533 + ... + 29231563098.

It is an arithmetic number, because the mean of its divisors is an integer number (4150881919872).

Almost surely, 2^{16545064553573} is an apocalyptic number.

It is an amenable number.

16545064553573 is a deficient number, since it is larger than the sum of its proper divisors (58463125915).

16545064553573 is an equidigital number, since it uses as much as digits as its factorization.

16545064553573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58463125914.

The product of its (nonzero) digits is 113400000, while the sum is 59.

The spelling of 16545064553573 in words is "sixteen trillion, five hundred forty-five billion, sixty-four million, five hundred fifty-three thousand, five hundred seventy-three".