9973066238226 has 640 divisors, whose sum is σ = 28594246872576. Its totient is φ = 2528292372480.

The previous prime is 9973066238209. The next prime is 9973066238243. The reversal of 9973066238226 is 6228326603799.

9973066238226 is a `hidden beast` number, since 9 + 97 + 30 + 66 + 238 + 226 = 666.

It is an interprime number because it is at equal distance from previous prime (9973066238209) and next prime (9973066238243).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 14818820226 + ... + 14818820898.

Almost surely, 2^{9973066238226} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9973066238226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14297123436288).

9973066238226 is an abundant number, since it is smaller than the sum of its proper divisors (18621180634350).

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

9973066238226 is a wasteful number, since it uses less digits than its factorization.

9973066238226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088 (or 1079 counting only the distinct ones).

The product of its (nonzero) digits is 70543872, while the sum is 63.

The spelling of 9973066238226 in words is "nine trillion, nine hundred seventy-three billion, sixty-six million, two hundred thirty-eight thousand, two hundred twenty-six".