166701935066 has 16 divisors (see below), whose sum is σ = 251241528384. Its totient is φ = 82955013984.

The previous prime is 166701935053. The next prime is 166701935069. The reversal of 166701935066 is 660539107661.

It is a happy number.

166701935066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (166701935069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1278491 + ... + 1402833.

It is an arithmetic number, because the mean of its divisors is an integer number (15702595524).

Almost surely, 2^166701935066 is an apocalyptic number.

166701935066 is a deficient number, since it is larger than the sum of its proper divisors (84539593318).

166701935066 is a wasteful number, since it uses less digits than its factorization.

166701935066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127525.

The product of its (nonzero) digits is 1224720, while the sum is 50.

The spelling of 166701935066 in words is "one hundred sixty-six billion, seven hundred one million, nine hundred thirty-five thousand, sixty-six".