667485360567 has 10 divisors (see below), whose sum is σ = 997107760968. Its totient is φ = 444990240324.

The previous prime is 667485360539. The next prime is 667485360587. The reversal of 667485360567 is 765063584766.

667485360567 is a `hidden beast` number, since 6 + 6 + 7 + 4 + 8 + 5 + 3 + 60 + 567 = 666.

It is not a de Polignac number, because 667485360567 - 2¹⁹ = 667484836279 is a prime.

It is a super-2 number, since 2×667485360567² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667485360527) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4120279923 + ... + 4120280084.

Almost surely, 2^667485360567 is an apocalyptic number.

667485360567 is a deficient number, since it is larger than the sum of its proper divisors (329622400401).

667485360567 is an equidigital number, since it uses as much as digits as its factorization.

667485360567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8240560019 (or 8240560010 counting only the distinct ones).

The product of its (nonzero) digits is 152409600, while the sum is 63.

The spelling of 667485360567 in words is "six hundred sixty-seven billion, four hundred eighty-five million, three hundred sixty thousand, five hundred sixty-seven".