146306661653 has 2 divisors, whose sum is σ = 146306661654. Its totient is φ = 146306661652.

The previous prime is 146306661649. The next prime is 146306661691. The reversal of 146306661653 is 356166603641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105912495364 + 40394166289 = 325442^2 + 200983^2 .

It is a cyclic number.

It is not a de Polignac number, because 146306661653 - 2² = 146306661649 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 146306661598 and 146306661607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146306661953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73153330826 + 73153330827.

It is an arithmetic number, because the mean of its divisors is an integer number (73153330827).

Almost surely, 2^146306661653 is an apocalyptic number.

It is an amenable number.

146306661653 is a deficient number, since it is larger than the sum of its proper divisors (1).

146306661653 is an equidigital number, since it uses as much as digits as its factorization.

146306661653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1399680, while the sum is 47.

The spelling of 146306661653 in words is "one hundred forty-six billion, three hundred six million, six hundred sixty-one thousand, six hundred fifty-three".