1006666601066 has 8 divisors (see below), whose sum is σ = 1725714173280. Its totient is φ = 431428543308.

The previous prime is 1006666601063. The next prime is 1006666601077. The reversal of 1006666601066 is 6601066666001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1006666601063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35952378596 + ... + 35952378623.

It is an arithmetic number, because the mean of its divisors is an integer number (215714271660).

Almost surely, 2^{1006666601066} is an apocalyptic number.

1006666601066 is a deficient number, since it is larger than the sum of its proper divisors (719047572214).

1006666601066 is an equidigital number, since it uses as much as digits as its factorization.

1006666601066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71904757228.

The product of its (nonzero) digits is 279936, while the sum is 44.

The spelling of 1006666601066 in words is "one trillion, six billion, six hundred sixty-six million, six hundred one thousand, sixty-six".