166447126 has 8 divisors (see below), whose sum is σ = 255760344. Its totient is φ = 81193680.

The previous prime is 166447123. The next prime is 166447129. The reversal of 166447126 is 621744661.

166447126 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (166447123) and next prime (166447129).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166447123) 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, 1014840 + ... + 1015003.

It is an arithmetic number, because the mean of its divisors is an integer number (31970043).

Almost surely, 2^166447126 is an apocalyptic number.

166447126 is a deficient number, since it is larger than the sum of its proper divisors (89313218).

166447126 is a wasteful number, since it uses less digits than its factorization.

166447126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2029886.

The product of its digits is 48384, while the sum is 37.

The square root of 166447126 is about 12901.4389119974. The cubic root of 166447126 is about 550.0794662038.

The spelling of 166447126 in words is "one hundred sixty-six million, four hundred forty-seven thousand, one hundred twenty-six".