146566237121 has 2 divisors, whose sum is σ = 146566237122. Its totient is φ = 146566237120.

The previous prime is 146566237073. The next prime is 146566237241. The reversal of 146566237121 is 121732665641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126213220225 + 20353016896 = 355265^2 + 142664^2 .

It is a cyclic number.

It is not a de Polignac number, because 146566237121 - 2⁶ = 146566237057 is a prime.

It is not a weakly prime, because it can be changed into another prime (146566231121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73283118560 + 73283118561.

It is an arithmetic number, because the mean of its divisors is an integer number (73283118561).

Almost surely, 2^146566237121 is an apocalyptic number.

It is an amenable number.

146566237121 is a deficient number, since it is larger than the sum of its proper divisors (1).

146566237121 is an equidigital number, since it uses as much as digits as its factorization.

146566237121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 44.

The spelling of 146566237121 in words is "one hundred forty-six billion, five hundred sixty-six million, two hundred thirty-seven thousand, one hundred twenty-one".