667267155413 has 2 divisors, whose sum is σ = 667267155414. Its totient is φ = 667267155412.

The previous prime is 667267155409. The next prime is 667267155439. The reversal of 667267155413 is 314551762766.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 609433158244 + 57833997169 = 780662^2 + 240487^2 .

It is a cyclic number.

It is not a de Polignac number, because 667267155413 - 2² = 667267155409 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (667267155473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333633577706 + 333633577707.

It is an arithmetic number, because the mean of its divisors is an integer number (333633577707).

Almost surely, 2^667267155413 is an apocalyptic number.

It is an amenable number.

667267155413 is a deficient number, since it is larger than the sum of its proper divisors (1).

667267155413 is an equidigital number, since it uses as much as digits as its factorization.

667267155413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6350400, while the sum is 53.

The spelling of 667267155413 in words is "six hundred sixty-seven billion, two hundred sixty-seven million, one hundred fifty-five thousand, four hundred thirteen".