666741070000 has 50 divisors (see below), whose sum is σ = 1614246828788. Its totient is φ = 266696424000.

The previous prime is 666741069949. The next prime is 666741070001. The reversal of 666741070000 is 70147666.

It is a tau number, because it is divible by the number of its divisors (50).

It is not an unprimeable number, because it can be changed into a prime (666741070001) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 33327054 + ... + 33347053.

Almost surely, 2^666741070000 is an apocalyptic number.

It is an amenable number.

666741070000 is an abundant number, since it is smaller than the sum of its proper divisors (947505758788).

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

666741070000 is an equidigital number, since it uses as much as digits as its factorization.

666741070000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66674135 (or 66674114 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 37.

The spelling of 666741070000 in words is "six hundred sixty-six billion, seven hundred forty-one million, seventy thousand".