662444054064 has 240 divisors, whose sum is σ = 2066928645600. Its totient is φ = 196652703744.

The previous prime is 662444054047. The next prime is 662444054087. The reversal of 662444054064 is 460450444266.

662444054064 is a `hidden beast` number, since 6 + 6 + 2 + 4 + 4 + 40 + 540 + 64 = 666.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 87888504 + ... + 87896040.

It is an arithmetic number, because the mean of its divisors is an integer number (8612202690).

Almost surely, 2^662444054064 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 662444054064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1033464322800).

662444054064 is an abundant number, since it is smaller than the sum of its proper divisors (1404484591536).

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

662444054064 is a wasteful number, since it uses less digits than its factorization.

662444054064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9212 (or 9203 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 45.

The spelling of 662444054064 in words is "six hundred sixty-two billion, four hundred forty-four million, fifty-four thousand, sixty-four".