166683336707 has 16 divisors (see below), whose sum is σ = 168861192192. Its totient is φ = 164522512800.

The previous prime is 166683336697. The next prime is 166683336713. The reversal of 166683336707 is 707633386661.

It is a cyclic number.

It is not a de Polignac number, because 166683336707 - 2⁴ = 166683336691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166683336797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18751418 + ... + 18760304.

It is an arithmetic number, because the mean of its divisors is an integer number (10553824512).

Almost surely, 2^166683336707 is an apocalyptic number.

166683336707 is a deficient number, since it is larger than the sum of its proper divisors (2177855485).

166683336707 is a wasteful number, since it uses less digits than its factorization.

166683336707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9818.

The product of its (nonzero) digits is 13716864, while the sum is 56.

The spelling of 166683336707 in words is "one hundred sixty-six billion, six hundred eighty-three million, three hundred thirty-six thousand, seven hundred seven".