164888453 has 2 divisors, whose sum is σ = 164888454. Its totient is φ = 164888452.

The previous prime is 164888447. The next prime is 164888467. The reversal of 164888453 is 354888461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116683204 + 48205249 = 10802^2 + 6943^2 .

It is a cyclic number.

It is not a de Polignac number, because 164888453 - 2¹⁸ = 164626309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164888398 and 164888407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164885453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82444226 + 82444227.

It is an arithmetic number, because the mean of its divisors is an integer number (82444227).

Almost surely, 2^164888453 is an apocalyptic number.

It is an amenable number.

164888453 is a deficient number, since it is larger than the sum of its proper divisors (1).

164888453 is an equidigital number, since it uses as much as digits as its factorization.

164888453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 737280, while the sum is 47.

The square root of 164888453 is about 12840.8898834933. The cubic root of 164888453 is about 548.3570286495.

The spelling of 164888453 in words is "one hundred sixty-four million, eight hundred eighty-eight thousand, four hundred fifty-three".