166126544 has 20 divisors (see below), whose sum is σ = 329356896. Its totient is φ = 81131232.

The previous prime is 166126469. The next prime is 166126549. The reversal of 166126544 is 445621661.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166126549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120044 + ... + 121419.

Almost surely, 2^166126544 is an apocalyptic number.

It is an amenable number.

166126544 is a deficient number, since it is larger than the sum of its proper divisors (163230352).

166126544 is a wasteful number, since it uses less digits than its factorization.

166126544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241514 (or 241508 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 166126544 is about 12889.0086507846. The cubic root of 166126544 is about 549.7260828871.

The spelling of 166126544 in words is "one hundred sixty-six million, one hundred twenty-six thousand, five hundred forty-four".