146664535697 has 2 divisors, whose sum is σ = 146664535698. Its totient is φ = 146664535696.

The previous prime is 146664535687. The next prime is 146664535709. The reversal of 146664535697 is 796535466641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112895328001 + 33769207696 = 335999^2 + 183764^2 .

It is a cyclic number.

It is not a de Polignac number, because 146664535697 - 2²² = 146660341393 is a prime.

It is not a weakly prime, because it can be changed into another prime (146664535657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73332267848 + 73332267849.

It is an arithmetic number, because the mean of its divisors is an integer number (73332267849).

Almost surely, 2^146664535697 is an apocalyptic number.

It is an amenable number.

146664535697 is a deficient number, since it is larger than the sum of its proper divisors (1).

146664535697 is an equidigital number, since it uses as much as digits as its factorization.

146664535697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97977600, while the sum is 62.

The spelling of 146664535697 in words is "one hundred forty-six billion, six hundred sixty-four million, five hundred thirty-five thousand, six hundred ninety-seven".