66837373108 has 48 divisors (see below), whose sum is σ = 128275056000. Its totient is φ = 30220001280.

The previous prime is 66837373079. The next prime is 66837373121. The reversal of 66837373108 is 80137373866.

It is a happy number.

It is a congruent number.

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, 6652753 + ... + 6662791.

It is an arithmetic number, because the mean of its divisors is an integer number (2672397000).

Almost surely, 2^66837373108 is an apocalyptic number.

It is an amenable number.

66837373108 is a deficient number, since it is larger than the sum of its proper divisors (61437682892).

66837373108 is a wasteful number, since it uses less digits than its factorization.

66837373108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10840 (or 10838 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 52.

The spelling of 66837373108 in words is "sixty-six billion, eight hundred thirty-seven million, three hundred seventy-three thousand, one hundred eight".