7161992168 has 16 divisors (see below), whose sum is σ = 13429788000. Its totient is φ = 3580715376.

The previous prime is 7161992161. The next prime is 7161992177. The reversal of 7161992168 is 8612991617.

It is not an unprimeable number, because it can be changed into a prime (7161992161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107363 + ... + 160781.

It is an arithmetic number, because the mean of its divisors is an integer number (839361750).

Almost surely, 2^7161992168 is an apocalyptic number.

It is an amenable number.

7161992168 is a deficient number, since it is larger than the sum of its proper divisors (6267795832).

7161992168 is a wasteful number, since it uses less digits than its factorization.

7161992168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70184 (or 70180 counting only the distinct ones).

The product of its digits is 326592, while the sum is 50.

The square root of 7161992168 is about 84628.5540937573. The cubic root of 7161992168 is about 1927.5749803476.

The spelling of 7161992168 in words is "seven billion, one hundred sixty-one million, nine hundred ninety-two thousand, one hundred sixty-eight".