167223275668 has 6 divisors (see below), whose sum is σ = 292640732426. Its totient is φ = 83611637832.

The previous prime is 167223275651. The next prime is 167223275671. The reversal of 167223275668 is 866572322761.

It can be written as a sum of positive squares in only one way, i.e., 117448773264 + 49774502404 = 342708^2 + 223102^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20902909455 + ... + 20902909462.

Almost surely, 2^167223275668 is an apocalyptic number.

It is an amenable number.

167223275668 is a deficient number, since it is larger than the sum of its proper divisors (125417456758).

167223275668 is a wasteful number, since it uses less digits than its factorization.

167223275668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41805818921 (or 41805818919 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 55.

The spelling of 167223275668 in words is "one hundred sixty-seven billion, two hundred twenty-three million, two hundred seventy-five thousand, six hundred sixty-eight".