66337209544 has 32 divisors (see below), whose sum is σ = 125249760000. Its totient is φ = 32937786432.

The previous prime is 66337209511. The next prime is 66337209553. The reversal of 66337209544 is 44590273366.

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 7 ways as a sum of consecutive naturals, for example, 1018057 + ... + 1081255.

It is an arithmetic number, because the mean of its divisors is an integer number (3914055000).

Almost surely, 2^66337209544 is an apocalyptic number.

It is an amenable number.

66337209544 is a deficient number, since it is larger than the sum of its proper divisors (58912550456).

66337209544 is a wasteful number, since it uses less digits than its factorization.

66337209544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64117 (or 64113 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 49.

The spelling of 66337209544 in words is "sixty-six billion, three hundred thirty-seven million, two hundred nine thousand, five hundred forty-four".