166606701 has 8 divisors (see below), whose sum is σ = 223505760. Its totient is φ = 110389392.

The previous prime is 166606637. The next prime is 166606703. The reversal of 166606701 is 107606661.

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

It is not a de Polignac number, because 166606701 - 2⁶ = 166606637 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166606703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169866 + ... + 170843.

It is an arithmetic number, because the mean of its divisors is an integer number (27938220).

Almost surely, 2^166606701 is an apocalyptic number.

It is an amenable number.

166606701 is a deficient number, since it is larger than the sum of its proper divisors (56899059).

166606701 is a wasteful number, since it uses less digits than its factorization.

166606701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340875.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 166606701 is about 12907.6218181352. The cubic root of 166606701 is about 550.2551994757.

The spelling of 166606701 in words is "one hundred sixty-six million, six hundred six thousand, seven hundred one".