66790337424 has 60 divisors (see below), whose sum is σ = 173871015888. Its totient is φ = 22093223360.

The previous prime is 66790337389. The next prime is 66790337431. The reversal of 66790337424 is 42473309766.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 783187 + ... + 864269.

Almost surely, 2^66790337424 is an apocalyptic number.

It is an amenable number.

66790337424 is an abundant number, since it is smaller than the sum of its proper divisors (107080678464).

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

66790337424 is a wasteful number, since it uses less digits than its factorization.

66790337424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81356 (or 81219 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 51.

The spelling of 66790337424 in words is "sixty-six billion, seven hundred ninety million, three hundred thirty-seven thousand, four hundred twenty-four".