166606706733 has 32 divisors (see below), whose sum is σ = 232971984000. Its totient is φ = 105809817600.

The previous prime is 166606706731. The next prime is 166606706753. The reversal of 166606706733 is 337607606661.

It is not a de Polignac number, because 166606706733 - 2¹ = 166606706731 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166606706731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1004253 + ... + 1158333.

It is an arithmetic number, because the mean of its divisors is an integer number (7280374500).

Almost surely, 2^166606706733 is an apocalyptic number.

It is an amenable number.

166606706733 is a deficient number, since it is larger than the sum of its proper divisors (66365277267).

166606706733 is a wasteful number, since it uses less digits than its factorization.

166606706733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154333.

The product of its (nonzero) digits is 3429216, while the sum is 51.

The spelling of 166606706733 in words is "one hundred sixty-six billion, six hundred six million, seven hundred six thousand, seven hundred thirty-three".