667151413427 has 2 divisors, whose sum is σ = 667151413428. Its totient is φ = 667151413426.

The previous prime is 667151413351. The next prime is 667151413429. The reversal of 667151413427 is 724314151766.

667151413427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 667151413427 - 2⁸ = 667151413171 is a prime.

Together with 667151413429, 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 (667151413429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333575706713 + 333575706714.

It is an arithmetic number, because the mean of its divisors is an integer number (333575706714).

Almost surely, 2^667151413427 is an apocalyptic number.

667151413427 is a deficient number, since it is larger than the sum of its proper divisors (1).

667151413427 is an equidigital number, since it uses as much as digits as its factorization.

667151413427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 47.

The spelling of 667151413427 in words is "six hundred sixty-seven billion, one hundred fifty-one million, four hundred thirteen thousand, four hundred twenty-seven".