66740743708 has 12 divisors (see below), whose sum is σ = 119952958552. Its totient is φ = 32468469840.

The previous prime is 66740743703. The next prime is 66740743711. The reversal of 66740743708 is 80734704766.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66740743703) by changing a digit.

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, 225475338 + ... + 225475633.

Almost surely, 2^66740743708 is an apocalyptic number.

It is an amenable number.

66740743708 is a deficient number, since it is larger than the sum of its proper divisors (53212214844).

66740743708 is a wasteful number, since it uses less digits than its factorization.

66740743708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450951012 (or 450951010 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 52.

The spelling of 66740743708 in words is "sixty-six billion, seven hundred forty million, seven hundred forty-three thousand, seven hundred eight".