667365103 has 2 divisors, whose sum is σ = 667365104. Its totient is φ = 667365102.

The previous prime is 667365089. The next prime is 667365109. The reversal of 667365103 is 301563766.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 667365103 - 2⁹ = 667364591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (667365109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333682551 + 333682552.

It is an arithmetic number, because the mean of its divisors is an integer number (333682552).

Almost surely, 2^667365103 is an apocalyptic number.

667365103 is a deficient number, since it is larger than the sum of its proper divisors (1).

667365103 is an equidigital number, since it uses as much as digits as its factorization.

667365103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 37.

The square root of 667365103 is about 25833.4105955834. The cubic root of 667365103 is about 873.8854284305.

The spelling of 667365103 in words is "six hundred sixty-seven million, three hundred sixty-five thousand, one hundred three".