667077588241 has 2 divisors, whose sum is σ = 667077588242. Its totient is φ = 667077588240.

The previous prime is 667077588143. The next prime is 667077588263. The reversal of 667077588241 is 142885770766.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 666311405841 + 766182400 = 816279^2 + 27680^2 .

It is a cyclic number.

It is not a de Polignac number, because 667077588241 - 2⁷ = 667077588113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 667077588241.

It is not a weakly prime, because it can be changed into another prime (667077598241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333538794120 + 333538794121.

It is an arithmetic number, because the mean of its divisors is an integer number (333538794121).

Almost surely, 2^667077588241 is an apocalyptic number.

It is an amenable number.

667077588241 is a deficient number, since it is larger than the sum of its proper divisors (1).

667077588241 is an equidigital number, since it uses as much as digits as its factorization.

667077588241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31610880, while the sum is 61.

The spelling of 667077588241 in words is "six hundred sixty-seven billion, seventy-seven million, five hundred eighty-eight thousand, two hundred forty-one".