164048575489 has 2 divisors, whose sum is σ = 164048575490. Its totient is φ = 164048575488.

The previous prime is 164048575477. The next prime is 164048575541. The reversal of 164048575489 is 984575840461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101394480625 + 62654094864 = 318425^2 + 250308^2 .

It is a cyclic number.

It is not a de Polignac number, because 164048575489 - 2¹¹ = 164048573441 is a prime.

It is not a weakly prime, because it can be changed into another prime (164048575429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82024287744 + 82024287745.

It is an arithmetic number, because the mean of its divisors is an integer number (82024287745).

Almost surely, 2^164048575489 is an apocalyptic number.

It is an amenable number.

164048575489 is a deficient number, since it is larger than the sum of its proper divisors (1).

164048575489 is an equidigital number, since it uses as much as digits as its factorization.

164048575489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38707200, while the sum is 61.

The spelling of 164048575489 in words is "one hundred sixty-four billion, forty-eight million, five hundred seventy-five thousand, four hundred eighty-nine".