6661066151206 has 4 divisors (see below), whose sum is σ = 9991599226812. Its totient is φ = 3330533075602.

The previous prime is 6661066151191. The next prime is 6661066151213. The reversal of 6661066151206 is 6021516601666.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1665266537800 + ... + 1665266537803.

It is an arithmetic number, because the mean of its divisors is an integer number (2497899806703).

Almost surely, 2^{6661066151206} is an apocalyptic number.

6661066151206 is a deficient number, since it is larger than the sum of its proper divisors (3330533075606).

6661066151206 is a wasteful number, since it uses less digits than its factorization.

6661066151206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3330533075605.

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 6661066151206 in words is "six trillion, six hundred sixty-one billion, sixty-six million, one hundred fifty-one thousand, two hundred six".