667151413169 has 2 divisors, whose sum is σ = 667151413170. Its totient is φ = 667151413168.

The previous prime is 667151413151. The next prime is 667151413171. The reversal of 667151413169 is 961314151766.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 613425736225 + 53725676944 = 783215^2 + 231788^2 .

It is a cyclic number.

It is not a de Polignac number, because 667151413169 - 2⁸ = 667151412913 is a prime.

It is a super-2 number, since 2×667151413169² (a number of 24 digits) contains 22 as substring.

Together with 667151413171, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (667151413469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333575706584 + 333575706585.

It is an arithmetic number, because the mean of its divisors is an integer number (333575706585).

Almost surely, 2^667151413169 is an apocalyptic number.

It is an amenable number.

667151413169 is a deficient number, since it is larger than the sum of its proper divisors (1).

667151413169 is an equidigital number, since it uses as much as digits as its factorization.

667151413169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 50.

The spelling of 667151413169 in words is "six hundred sixty-seven billion, one hundred fifty-one million, four hundred thirteen thousand, one hundred sixty-nine".