2064421633600 has 168 divisors, whose sum is σ = 5166981792000. Its totient is φ = 811611801600.

The previous prime is 2064421633597. The next prime is 2064421633609. The reversal of 2064421633600 is 63361244602.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2064421633600.

It is not an unprimeable number, because it can be changed into a prime (2064421633609) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 140439051 + ... + 140453749.

It is an arithmetic number, because the mean of its divisors is an integer number (30755844000).

Almost surely, 2^{2064421633600} is an apocalyptic number.

2064421633600 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 2064421633600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2583490896000).

2064421633600 is an abundant number, since it is smaller than the sum of its proper divisors (3102560158400).

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

2064421633600 is a wasteful number, since it uses less digits than its factorization.

2064421633600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16221 (or 16206 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 37.

The spelling of 2064421633600 in words is "two trillion, sixty-four billion, four hundred twenty-one million, six hundred thirty-three thousand, six hundred".