71992093168 has 10 divisors (see below), whose sum is σ = 139484680544. Its totient is φ = 35996046576.

The previous prime is 71992093141. The next prime is 71992093219. The reversal of 71992093168 is 86139029917.

It is a super-2 number, since 2×71992093168² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2249752896 + ... + 2249752927.

Almost surely, 2^71992093168 is an apocalyptic number.

It is an amenable number.

71992093168 is a deficient number, since it is larger than the sum of its proper divisors (67492587376).

71992093168 is a wasteful number, since it uses less digits than its factorization.

71992093168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4499505831 (or 4499505825 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 55.

The spelling of 71992093168 in words is "seventy-one billion, nine hundred ninety-two million, ninety-three thousand, one hundred sixty-eight".