667298598628 has 72 divisors (see below), whose sum is σ = 1211110185600. Its totient is φ = 321554157696.

The previous prime is 667298598611. The next prime is 667298598647. The reversal of 667298598628 is 826895892766.

667298598628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 399818578 + ... + 399820246.

It is an arithmetic number, because the mean of its divisors is an integer number (16820974800).

Almost surely, 2^667298598628 is an apocalyptic number.

It is an amenable number.

667298598628 is a deficient number, since it is larger than the sum of its proper divisors (543811586972).

667298598628 is a wasteful number, since it uses less digits than its factorization.

667298598628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2117 (or 2006 counting only the distinct ones).

The product of its digits is 1254113280, while the sum is 76.

The spelling of 667298598628 in words is "six hundred sixty-seven billion, two hundred ninety-eight million, five hundred ninety-eight thousand, six hundred twenty-eight".