16772105453 has 4 divisors (see below), whose sum is σ = 16772865408. Its totient is φ = 16771345500.

The previous prime is 16772105401. The next prime is 16772105473. The reversal of 16772105453 is 35450127761.

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 a de Polignac number, because none of the positive numbers 2^k-16772105453 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16772105453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16772105473) 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, 345851 + ... + 391352.

It is an arithmetic number, because the mean of its divisors is an integer number (4193216352).

Almost surely, 2^16772105453 is an apocalyptic number.

It is an amenable number.

16772105453 is a deficient number, since it is larger than the sum of its proper divisors (759955).

16772105453 is an equidigital number, since it uses as much as digits as its factorization.

16772105453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759954.

The product of its (nonzero) digits is 176400, while the sum is 41.

The spelling of 16772105453 in words is "sixteen billion, seven hundred seventy-two million, one hundred five thousand, four hundred fifty-three".