146716440012661 has 2 divisors, whose sum is σ = 146716440012662. Its totient is φ = 146716440012660.

The previous prime is 146716440012613. The next prime is 146716440012671. The reversal of 146716440012661 is 166210044617641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83134459196100 + 63581980816561 = 9117810^2 + 7973831^2 .

It is a cyclic number.

It is not a de Polignac number, because 146716440012661 - 2²⁵ = 146716406458229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146716440012601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73358220006330 + 73358220006331.

It is an arithmetic number, because the mean of its divisors is an integer number (73358220006331).

Almost surely, 2^{146716440012661} is an apocalyptic number.

It is an amenable number.

146716440012661 is a deficient number, since it is larger than the sum of its proper divisors (1).

146716440012661 is an equidigital number, since it uses as much as digits as its factorization.

146716440012661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 146716440012661 in words is "one hundred forty-six trillion, seven hundred sixteen billion, four hundred forty million, twelve thousand, six hundred sixty-one".