9915368173 has 8 divisors (see below), whose sum is σ = 10010082816. Its totient is φ = 9820776000.

The previous prime is 9915368129. The next prime is 9915368231. The reversal of 9915368173 is 3718635199.

It is a happy number.

9915368173 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9915368173 is a prime.

It is a super-2 number, since 2×9915368173² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9915368173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9915368773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136398 + ... + 196048.

It is an arithmetic number, because the mean of its divisors is an integer number (1251260352).

Almost surely, 2^9915368173 is an apocalyptic number.

It is an amenable number.

9915368173 is a deficient number, since it is larger than the sum of its proper divisors (94714643).

9915368173 is a wasteful number, since it uses less digits than its factorization.

9915368173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61235.

The product of its digits is 1224720, while the sum is 52.

The square root of 9915368173 is about 99575.9417379519. The cubic root of 9915368173 is about 2148.3396716730.

The spelling of 9915368173 in words is "nine billion, nine hundred fifteen million, three hundred sixty-eight thousand, one hundred seventy-three".