226661753718720 has 448 divisors, whose sum is σ = 804112978268160. Its totient is φ = 60103263596544.

The previous prime is 226661753718677. The next prime is 226661753718737. The reversal of 226661753718720 is 27817357166622.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3177747697 + ... + 3177819023.

Almost surely, 2^{226661753718720} is an apocalyptic number.

226661753718720 is a gapful number since it is divisible by the number (20) 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 226661753718720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (402056489134080).

226661753718720 is an abundant number, since it is smaller than the sum of its proper divisors (577451224549440).

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

226661753718720 is a wasteful number, since it uses less digits than its factorization.

226661753718720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73417 (or 73401 counting only the distinct ones).

The product of its (nonzero) digits is 71124480, while the sum is 63.

The spelling of 226661753718720 in words is "two hundred twenty-six trillion, six hundred sixty-one billion, seven hundred fifty-three million, seven hundred eighteen thousand, seven hundred twenty".