667417674662 has 16 divisors (see below), whose sum is σ = 1002452629920. Its totient is φ = 333267092928.

The previous prime is 667417674659. The next prime is 667417674667. The reversal of 667417674662 is 266476714766.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 667417674595 and 667417674604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667417674667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4549514 + ... + 4693922.

It is an arithmetic number, because the mean of its divisors is an integer number (62653289370).

Almost surely, 2^667417674662 is an apocalyptic number.

667417674662 is a deficient number, since it is larger than the sum of its proper divisors (335034955258).

667417674662 is a wasteful number, since it uses less digits than its factorization.

667417674662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147455.

The product of its digits is 85349376, while the sum is 62.

The spelling of 667417674662 in words is "six hundred sixty-seven billion, four hundred seventeen million, six hundred seventy-four thousand, six hundred sixty-two".