9169218225000 has 240 divisors, whose sum is σ = 32100828813900. Its totient is φ = 2445124320000.

The previous prime is 9169218224927. The next prime is 9169218225061. The reversal of 9169218225000 is 5228129619.

It is a happy number.

9169218225000 is a `hidden beast` number, since 9 + 1 + 69 + 2 + 1 + 82 + 2 + 500 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 3298647823524 + 5870570401476 = 1816218^2 + 2422926^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 239005 + ... + 4289004.

Almost surely, 2^{9169218225000} is an apocalyptic number.

9169218225000 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9169218225000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16050414406950).

9169218225000 is an abundant number, since it is smaller than the sum of its proper divisors (22931610588900).

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

9169218225000 is an equidigital number, since it uses as much as digits as its factorization.

9169218225000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4528052 (or 4528019 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The spelling of 9169218225000 in words is "nine trillion, one hundred sixty-nine billion, two hundred eighteen million, two hundred twenty-five thousand".