71669168 has 10 divisors (see below), whose sum is σ = 138859044. Its totient is φ = 35834576.

The previous prime is 71669167. The next prime is 71669203. The reversal of 71669168 is 86196617.

It is not an unprimeable number, because it can be changed into a prime (71669167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2239646 + ... + 2239677.

Almost surely, 2^71669168 is an apocalyptic number.

It is an amenable number.

71669168 is a deficient number, since it is larger than the sum of its proper divisors (67189876).

71669168 is a wasteful number, since it uses less digits than its factorization.

71669168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4479331 (or 4479325 counting only the distinct ones).

The product of its digits is 108864, while the sum is 44.

The square root of 71669168 is about 8465.7644663669. The cubic root of 71669168 is about 415.3786025791.

The spelling of 71669168 in words is "seventy-one million, six hundred sixty-nine thousand, one hundred sixty-eight".