66042104448 has 64 divisors (see below), whose sum is σ = 175452076800. Its totient is φ = 22010554368.

The previous prime is 66042104431. The next prime is 66042104467. The reversal of 66042104448 is 84440124066.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3834865 + ... + 3852047.

It is an arithmetic number, because the mean of its divisors is an integer number (2741438700).

Almost surely, 2^66042104448 is an apocalyptic number.

It is an amenable number.

66042104448 is an abundant number, since it is smaller than the sum of its proper divisors (109409972352).

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

66042104448 is a wasteful number, since it uses less digits than its factorization.

66042104448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27209 (or 27197 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 39.

The spelling of 66042104448 in words is "sixty-six billion, forty-two million, one hundred four thousand, four hundred forty-eight".