9171484916 has 18 divisors (see below), whose sum is σ = 17641844850. Its totient is φ = 4168856560.

The previous prime is 9171484913. The next prime is 9171484937. The reversal of 9171484916 is 6194841719.

It can be written as a sum of positive squares in only one way, i.e., 7802188900 + 1369296016 = 88330^2 + 37004^2 .

It is a super-2 number, since 2×9171484916² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9171484913) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9474191 + ... + 9475158.

Almost surely, 2^9171484916 is an apocalyptic number.

It is an amenable number.

9171484916 is a deficient number, since it is larger than the sum of its proper divisors (8470359934).

9171484916 is a wasteful number, since it uses less digits than its factorization.

9171484916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18949375 (or 18949362 counting only the distinct ones).

The product of its digits is 435456, while the sum is 50.

The square root of 9171484916 is about 95767.8699564734. The cubic root of 9171484916 is about 2093.2120139999.

The spelling of 9171484916 in words is "nine billion, one hundred seventy-one million, four hundred eighty-four thousand, nine hundred sixteen".