667485360667 has 2 divisors, whose sum is σ = 667485360668. Its totient is φ = 667485360666.

The previous prime is 667485360653. The next prime is 667485360691. The reversal of 667485360667 is 766063584766.

It is a happy number.

667485360667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 667485360667 - 2⁷ = 667485360539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 667485360599 and 667485360608.

It is not a weakly prime, because it can be changed into another prime (667485363667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333742680333 + 333742680334.

It is an arithmetic number, because the mean of its divisors is an integer number (333742680334).

Almost surely, 2^667485360667 is an apocalyptic number.

667485360667 is a deficient number, since it is larger than the sum of its proper divisors (1).

667485360667 is an equidigital number, since it uses as much as digits as its factorization.

667485360667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 182891520, while the sum is 64.

The spelling of 667485360667 in words is "six hundred sixty-seven billion, four hundred eighty-five million, three hundred sixty thousand, six hundred sixty-seven".