2065919856000 has 4096 divisors, whose sum is σ = 10128280780800. Its totient is φ = 358318080000.

The previous prime is 2065919855977. The next prime is 2065919856001. The reversal of 2065919856000 is 6589195602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2065919856001) by changing a digit.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 28300271964 + ... + 28300272036.

It is an arithmetic number, because the mean of its divisors is an integer number (2472724800).

Almost surely, 2^{2065919856000} is an apocalyptic number.

2065919856000 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 2065919856000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5064140390400).

2065919856000 is an abundant number, since it is smaller than the sum of its proper divisors (8062360924800).

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

2065919856000 is a wasteful number, since it uses less digits than its factorization.

2065919856000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 51.

The spelling of 2065919856000 in words is "two trillion, sixty-five billion, nine hundred nineteen million, eight hundred fifty-six thousand".