66524410144 has 24 divisors (see below), whose sum is σ = 130981795308. Its totient is φ = 33259192320.

The previous prime is 66524410129. The next prime is 66524410151. The reversal of 66524410144 is 44101442566.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 52905520144 + 13618890000 = 230012^2 + 116700^2 .

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 3 ways as a sum of consecutive naturals, for example, 288604 + ... + 465124.

Almost surely, 2^66524410144 is an apocalyptic number.

It is an amenable number.

66524410144 is a deficient number, since it is larger than the sum of its proper divisors (64457385164).

66524410144 is a wasteful number, since it uses less digits than its factorization.

66524410144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188308 (or 188300 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 37.

The spelling of 66524410144 in words is "sixty-six billion, five hundred twenty-four million, four hundred ten thousand, one hundred forty-four".