9421188672 has 112 divisors (see below), whose sum is σ = 29406973952. Its totient is φ = 2604925440.

The previous prime is 9421188661. The next prime is 9421188691. The reversal of 9421188672 is 2768811249.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×9421188672² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71398 + ... + 154725.

Almost surely, 2^9421188672 is an apocalyptic number.

It is an amenable number.

9421188672 is an abundant number, since it is smaller than the sum of its proper divisors (19985785280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9421188672 is a wasteful number, since it uses less digits than its factorization.

9421188672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226176 (or 226166 counting only the distinct ones).

The product of its digits is 387072, while the sum is 48.

The square root of 9421188672 is about 97062.8078720166. The cubic root of 9421188672 is about 2112.0388393913.

The spelling of 9421188672 in words is "nine billion, four hundred twenty-one million, one hundred eighty-eight thousand, six hundred seventy-two".