660233562641 has 2 divisors, whose sum is σ = 660233562642. Its totient is φ = 660233562640.

The previous prime is 660233562607. The next prime is 660233562689. The reversal of 660233562641 is 146265332066.

660233562641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 652534377616 + 7699185025 = 807796^2 + 87745^2 .

It is a cyclic number.

It is not a de Polignac number, because 660233562641 - 2³⁰ = 659159820817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 660233562592 and 660233562601.

It is not a weakly prime, because it can be changed into another prime (660233562041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330116781320 + 330116781321.

It is an arithmetic number, because the mean of its divisors is an integer number (330116781321).

Almost surely, 2^660233562641 is an apocalyptic number.

It is an amenable number.

660233562641 is a deficient number, since it is larger than the sum of its proper divisors (1).

660233562641 is an equidigital number, since it uses as much as digits as its factorization.

660233562641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 933120, while the sum is 44.

The spelling of 660233562641 in words is "six hundred sixty billion, two hundred thirty-three million, five hundred sixty-two thousand, six hundred forty-one".