667370367397 has 2 divisors, whose sum is σ = 667370367398. Its totient is φ = 667370367396.

The previous prime is 667370367383. The next prime is 667370367427. The reversal of 667370367397 is 793763073766.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 654018333796 + 13352033601 = 808714^2 + 115551^2 .

It is a cyclic number.

It is not a de Polignac number, because 667370367397 - 2³⁵ = 633010629029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (667370967397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333685183698 + 333685183699.

It is an arithmetic number, because the mean of its divisors is an integer number (333685183699).

Almost surely, 2^667370367397 is an apocalyptic number.

It is an amenable number.

667370367397 is a deficient number, since it is larger than the sum of its proper divisors (1).

667370367397 is an equidigital number, since it uses as much as digits as its factorization.

667370367397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126023688, while the sum is 64.

The spelling of 667370367397 in words is "six hundred sixty-seven billion, three hundred seventy million, three hundred sixty-seven thousand, three hundred ninety-seven".