667674724476 has 48 divisors (see below), whose sum is σ = 1569866547200. Its totient is φ = 220851366912.

The previous prime is 667674724441. The next prime is 667674724477. The reversal of 667674724476 is 674427476766.

It is a happy number.

667674724476 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667674724477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3429765 + ... + 3619203.

Almost surely, 2^667674724476 is an apocalyptic number.

It is an amenable number.

667674724476 is an abundant number, since it is smaller than the sum of its proper divisors (902191822724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

667674724476 is a wasteful number, since it uses less digits than its factorization.

667674724476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191698 (or 191696 counting only the distinct ones).

The product of its digits is 398297088, while the sum is 66.

The spelling of 667674724476 in words is "six hundred sixty-seven billion, six hundred seventy-four million, seven hundred twenty-four thousand, four hundred seventy-six".