9345601666 has 8 divisors (see below), whose sum is σ = 14030955900. Its totient is φ = 4668616368.

The previous prime is 9345601633. The next prime is 9345601717. The reversal of 9345601666 is 6661065439.

It can be written as a sum of positive squares in 2 ways, for example, as 9154471041 + 191130625 = 95679^2 + 13825^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2089441 + ... + 2093908.

Almost surely, 2^9345601666 is an apocalyptic number.

9345601666 is a deficient number, since it is larger than the sum of its proper divisors (4685354234).

9345601666 is a wasteful number, since it uses less digits than its factorization.

9345601666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4184468.

The product of its (nonzero) digits is 699840, while the sum is 46.

The square root of 9345601666 is about 96672.6521100978. The cubic root of 9345601666 is about 2106.3753096048.

The spelling of 9345601666 in words is "nine billion, three hundred forty-five million, six hundred one thousand, six hundred sixty-six".