164889410453 has 2 divisors, whose sum is σ = 164889410454. Its totient is φ = 164889410452.

The previous prime is 164889410407. The next prime is 164889410527. The reversal of 164889410453 is 354014988461.

It is a happy number.

164889410453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 158513867044 + 6375543409 = 398138^2 + 79847^2 .

It is a cyclic number.

It is not a de Polignac number, because 164889410453 - 2²⁰ = 164888361877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164889410395 and 164889410404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164889410053) 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 as a sum of consecutive naturals, namely, 82444705226 + 82444705227.

It is an arithmetic number, because the mean of its divisors is an integer number (82444705227).

Almost surely, 2^164889410453 is an apocalyptic number.

It is an amenable number.

164889410453 is a deficient number, since it is larger than the sum of its proper divisors (1).

164889410453 is an equidigital number, since it uses as much as digits as its factorization.

164889410453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3317760, while the sum is 53.

The spelling of 164889410453 in words is "one hundred sixty-four billion, eight hundred eighty-nine million, four hundred ten thousand, four hundred fifty-three".