166949612 has 6 divisors (see below), whose sum is σ = 292161828. Its totient is φ = 83474804.

The previous prime is 166949611. The next prime is 166949621. The reversal of 166949612 is 216949661.

It is not an unprimeable number, because it can be changed into a prime (166949611) 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 as a sum of consecutive naturals, namely, 20868698 + ... + 20868705.

It is an arithmetic number, because the mean of its divisors is an integer number (48693638).

Almost surely, 2^166949612 is an apocalyptic number.

It is an amenable number.

166949612 is a deficient number, since it is larger than the sum of its proper divisors (125212216).

166949612 is a wasteful number, since it uses less digits than its factorization.

166949612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41737407 (or 41737405 counting only the distinct ones).

The product of its digits is 139968, while the sum is 44.

The square root of 166949612 is about 12920.8982659875. The cubic root of 166949612 is about 550.6324537199.

The spelling of 166949612 in words is "one hundred sixty-six million, nine hundred forty-nine thousand, six hundred twelve".