2620275916416 has 128 divisors (see below), whose sum is σ = 7004197559040. Its totient is φ = 867908321280.

The previous prime is 2620275916403. The next prime is 2620275916451. The reversal of 2620275916416 is 6146195720262.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42817296 + ... + 42878448.

It is an arithmetic number, because the mean of its divisors is an integer number (54720293430).

Almost surely, 2^{2620275916416} 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 2620275916416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3502098779520).

2620275916416 is an abundant number, since it is smaller than the sum of its proper divisors (4383921642624).

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

2620275916416 is a wasteful number, since it uses less digits than its factorization.

2620275916416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61874 (or 61862 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 2620275916416 in words is "two trillion, six hundred twenty billion, two hundred seventy-five million, nine hundred sixteen thousand, four hundred sixteen".