667485360607 has 32 divisors (see below), whose sum is σ = 762956472320. Its totient is φ = 578861458560.

The previous prime is 667485360593. The next prime is 667485360649. The reversal of 667485360607 is 706063584766.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 667485360607 - 2¹¹ = 667485358559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667485360667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123308833 + ... + 123314245.

It is an arithmetic number, because the mean of its divisors is an integer number (23842389760).

Almost surely, 2^667485360607 is an apocalyptic number.

667485360607 is a deficient number, since it is larger than the sum of its proper divisors (95471111713).

667485360607 is a wasteful number, since it uses less digits than its factorization.

667485360607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9503.

The product of its (nonzero) digits is 30481920, while the sum is 58.

The spelling of 667485360607 in words is "six hundred sixty-seven billion, four hundred eighty-five million, three hundred sixty thousand, six hundred seven".