2816901423312 has 160 divisors (see below), whose sum is σ = 7716330885120. Its totient is φ = 883018920960.

The previous prime is 2816901423311. The next prime is 2816901423317. The reversal of 2816901423312 is 2133241096182.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2816901423311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127387137 + ... + 127409247.

It is an arithmetic number, because the mean of its divisors is an integer number (48227068032).

Almost surely, 2^{2816901423312} 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 2816901423312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3858165442560).

2816901423312 is an abundant number, since it is smaller than the sum of its proper divisors (4899429461808).

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

2816901423312 is a wasteful number, since it uses less digits than its factorization.

2816901423312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23161 (or 23155 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The spelling of 2816901423312 in words is "two trillion, eight hundred sixteen billion, nine hundred one million, four hundred twenty-three thousand, three hundred twelve".