146664535673 has 2 divisors, whose sum is σ = 146664535674. Its totient is φ = 146664535672.

The previous prime is 146664535657. The next prime is 146664535679. The reversal of 146664535673 is 376535466641.

146664535673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137253207529 + 9411328144 = 370477^2 + 97012^2 .

It is a cyclic number.

It is not a de Polignac number, because 146664535673 - 2⁴ = 146664535657 is a prime.

It is not a weakly prime, because it can be changed into another prime (146664535679) 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, 73332267836 + 73332267837.

It is an arithmetic number, because the mean of its divisors is an integer number (73332267837).

Almost surely, 2^146664535673 is an apocalyptic number.

It is an amenable number.

146664535673 is a deficient number, since it is larger than the sum of its proper divisors (1).

146664535673 is an equidigital number, since it uses as much as digits as its factorization.

146664535673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32659200, while the sum is 56.

The spelling of 146664535673 in words is "one hundred forty-six billion, six hundred sixty-four million, five hundred thirty-five thousand, six hundred seventy-three".