3226720987116 has 192 divisors, whose sum is σ = 9211000780800. Its totient is φ = 976784909760.

The previous prime is 3226720987069. The next prime is 3226720987117. The reversal of 3226720987116 is 6117890276223.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (3226720987117) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 145605645 + ... + 145627803.

It is an arithmetic number, because the mean of its divisors is an integer number (47973962400).

Almost surely, 2^{3226720987116} is an apocalyptic number.

3226720987116 is a gapful number since it is divisible by the number (36) 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 3226720987116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4605500390400).

3226720987116 is an abundant number, since it is smaller than the sum of its proper divisors (5984279793684).

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

3226720987116 is a wasteful number, since it uses less digits than its factorization.

3226720987116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23218 (or 23188 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 3226720987116 in words is "three trillion, two hundred twenty-six billion, seven hundred twenty million, nine hundred eighty-seven thousand, one hundred sixteen".