667376522878103 has 2 divisors, whose sum is σ = 667376522878104. Its totient is φ = 667376522878102.

The previous prime is 667376522878069. The next prime is 667376522878171. The reversal of 667376522878103 is 301878225673766.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 667376522878103 - 2¹⁶ = 667376522812567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (667376522878003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333688261439051 + 333688261439052.

It is an arithmetic number, because the mean of its divisors is an integer number (333688261439052).

Almost surely, 2^{667376522878103} is an apocalyptic number.

667376522878103 is a deficient number, since it is larger than the sum of its proper divisors (1).

667376522878103 is an equidigital number, since it uses as much as digits as its factorization.

667376522878103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 853493760, while the sum is 71.

The spelling of 667376522878103 in words is "six hundred sixty-seven trillion, three hundred seventy-six billion, five hundred twenty-two million, eight hundred seventy-eight thousand, one hundred three".