671066242103 has 2 divisors, whose sum is σ = 671066242104. Its totient is φ = 671066242102.

The previous prime is 671066242069. The next prime is 671066242139. The reversal of 671066242103 is 301242660176.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 671066242103 - 2¹⁴ = 671066225719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (671666242103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335533121051 + 335533121052.

It is an arithmetic number, because the mean of its divisors is an integer number (335533121052).

Almost surely, 2^671066242103 is an apocalyptic number.

671066242103 is a deficient number, since it is larger than the sum of its proper divisors (1).

671066242103 is an equidigital number, since it uses as much as digits as its factorization.

671066242103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 671066242103 in words is "six hundred seventy-one billion, sixty-six million, two hundred forty-two thousand, one hundred three".