66063746514 has 32 divisors (see below), whose sum is σ = 135400288320. Its totient is φ = 21477298752.

The previous prime is 66063746509. The next prime is 66063746537. The reversal of 66063746514 is 41564736066.

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 15 ways as a sum of consecutive naturals, for example, 14449 + ... + 363780.

It is an arithmetic number, because the mean of its divisors is an integer number (4231259010).

Almost surely, 2^66063746514 is an apocalyptic number.

66063746514 is an abundant number, since it is smaller than the sum of its proper divisors (69336541806).

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

66063746514 is a wasteful number, since it uses less digits than its factorization.

66063746514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378954.

The product of its (nonzero) digits is 2177280, while the sum is 48.

The spelling of 66063746514 in words is "sixty-six billion, sixty-three million, seven hundred forty-six thousand, five hundred fourteen".