66018050180608 has 40 divisors (see below), whose sum is σ = 138849640922520. Its totient is φ = 31271707975680.

The previous prime is 66018050180569. The next prime is 66018050180633. The reversal of 66018050180608 is 80608105081066.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3393187753 + ... + 3393207208.

It is an arithmetic number, because the mean of its divisors is an integer number (3471241023063).

Almost surely, 2^{66018050180608} is an apocalyptic number.

It is an amenable number.

66018050180608 is an abundant number, since it is smaller than the sum of its proper divisors (72831590741912).

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

66018050180608 is an equidigital number, since it uses as much as digits as its factorization.

66018050180608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6786394998 (or 6786394982 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 49.

The spelling of 66018050180608 in words is "sixty-six trillion, eighteen billion, fifty million, one hundred eighty thousand, six hundred eight".