65603090448 has 120 divisors (see below), whose sum is σ = 210998548800. Its totient is φ = 18638975232.

The previous prime is 65603090447. The next prime is 65603090461. The reversal of 65603090448 is 84409030656.

65603090448 is a `hidden beast` number, since 65 + 60 + 3 + 0 + 90 + 448 = 666.

65603090448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (65603090447) 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, 1363 + ... + 362226.

It is an arithmetic number, because the mean of its divisors is an integer number (1758321240).

Almost surely, 2^65603090448 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 65603090448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105499274400).

65603090448 is an abundant number, since it is smaller than the sum of its proper divisors (145395458352).

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

65603090448 is a wasteful number, since it uses less digits than its factorization.

65603090448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363789 (or 363780 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 65603090448 in words is "sixty-five billion, six hundred three million, ninety thousand, four hundred forty-eight".