16453677210545 has 4 divisors (see below), whose sum is σ = 19744412652660. Its totient is φ = 13162941768432.

The previous prime is 16453677210499. The next prime is 16453677210647. The reversal of 16453677210545 is 54501277635461.

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 9746784096256 + 6706893114289 = 3121984^2 + 2589767^2 .

It is a cyclic number.

It is not a de Polignac number, because 16453677210545 - 2¹⁰ = 16453677209521 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1645367721050 + ... + 1645367721059.

It is an arithmetic number, because the mean of its divisors is an integer number (4936103163165).

Almost surely, 2^{16453677210545} is an apocalyptic number.

It is an amenable number.

16453677210545 is a deficient number, since it is larger than the sum of its proper divisors (3290735442115).

16453677210545 is an equidigital number, since it uses as much as digits as its factorization.

16453677210545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3290735442114.

The product of its (nonzero) digits is 21168000, while the sum is 56.

The spelling of 16453677210545 in words is "sixteen trillion, four hundred fifty-three billion, six hundred seventy-seven million, two hundred ten thousand, five hundred forty-five".