7919168422 has 16 divisors (see below), whose sum is σ = 13640673600. Its totient is φ = 3410168040.

The previous prime is 7919168419. The next prime is 7919168431. The reversal of 7919168422 is 2248619197.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9472272 + ... + 9473107.

It is an arithmetic number, because the mean of its divisors is an integer number (852542100).

Almost surely, 2^7919168422 is an apocalyptic number.

7919168422 is a deficient number, since it is larger than the sum of its proper divisors (5721505178).

7919168422 is a wasteful number, since it uses less digits than its factorization.

7919168422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18945411.

The product of its digits is 435456, while the sum is 49.

The square root of 7919168422 is about 88989.7096410591. The cubic root of 7919168422 is about 1993.2412203445.

The spelling of 7919168422 in words is "seven billion, nine hundred nineteen million, one hundred sixty-eight thousand, four hundred twenty-two".