667674226211 has 16 divisors (see below), whose sum is σ = 721304621568. Its totient is φ = 615747484800.

The previous prime is 667674226189. The next prime is 667674226213. The reversal of 667674226211 is 112622476766.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-667674226211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 667674226211.

It is not an unprimeable number, because it can be changed into a prime (667674226213) 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, 1500095 + ... + 1893576.

It is an arithmetic number, because the mean of its divisors is an integer number (45081538848).

Almost surely, 2^667674226211 is an apocalyptic number.

667674226211 is a deficient number, since it is larger than the sum of its proper divisors (53630395357).

667674226211 is a wasteful number, since it uses less digits than its factorization.

667674226211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3393922.

The product of its digits is 2032128, while the sum is 50.

The spelling of 667674226211 in words is "six hundred sixty-seven billion, six hundred seventy-four million, two hundred twenty-six thousand, two hundred eleven".