166141312 has 16 divisors (see below), whose sum is σ = 330984900. Its totient is φ = 83070592.

The previous prime is 166141277. The next prime is 166141331. The reversal of 166141312 is 213141661.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 648862 + ... + 649117.

Almost surely, 2^166141312 is an apocalyptic number.

It is an amenable number.

166141312 is a deficient number, since it is larger than the sum of its proper divisors (164843588).

166141312 is an equidigital number, since it uses as much as digits as its factorization.

166141312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297993 (or 1297981 counting only the distinct ones).

The product of its digits is 864, while the sum is 25.

The square root of 166141312 is about 12889.5815292817. The cubic root of 166141312 is about 549.7423719040.

Adding to 166141312 its reverse (213141661), we get a palindrome (379282973).

The spelling of 166141312 in words is "one hundred sixty-six million, one hundred forty-one thousand, three hundred twelve".