1331266630104 has 96 divisors (see below), whose sum is σ = 3707949417120. Its totient is φ = 431180402688.

The previous prime is 1331266630103. The next prime is 1331266630181. The reversal of 1331266630104 is 4010366621331.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331266630103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1643064 + ... + 2315640.

It is an arithmetic number, because the mean of its divisors is an integer number (38624473095).

Almost surely, 2^{1331266630104} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1331266630104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1853974708560).

1331266630104 is an abundant number, since it is smaller than the sum of its proper divisors (2376682787016).

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

1331266630104 is a wasteful number, since it uses less digits than its factorization.

1331266630104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673369 (or 673362 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The spelling of 1331266630104 in words is "one trillion, three hundred thirty-one billion, two hundred sixty-six million, six hundred thirty thousand, one hundred four".