667701225337 has 2 divisors, whose sum is σ = 667701225338. Its totient is φ = 667701225336.

The previous prime is 667701225319. The next prime is 667701225349. The reversal of 667701225337 is 733522107766.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 363487204201 + 304214021136 = 602899^2 + 551556^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-667701225337 is a prime.

It is not a weakly prime, because it can be changed into another prime (667701225637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333850612668 + 333850612669.

It is an arithmetic number, because the mean of its divisors is an integer number (333850612669).

Almost surely, 2^667701225337 is an apocalyptic number.

It is an amenable number.

667701225337 is a deficient number, since it is larger than the sum of its proper divisors (1).

667701225337 is an equidigital number, since it uses as much as digits as its factorization.

667701225337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2222640, while the sum is 49.

The spelling of 667701225337 in words is "six hundred sixty-seven billion, seven hundred one million, two hundred twenty-five thousand, three hundred thirty-seven".