166464142 has 16 divisors (see below), whose sum is σ = 271288080. Its totient is φ = 76148352.

The previous prime is 166464131. The next prime is 166464143. The reversal of 166464142 is 241464661.

It is a junction number, because it is equal to n+sod(n) for n = 166464098 and 166464107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166464143) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 25392 + ... + 31267.

It is an arithmetic number, because the mean of its divisors is an integer number (16955505).

Almost surely, 2^166464142 is an apocalyptic number.

166464142 is a deficient number, since it is larger than the sum of its proper divisors (104823938).

166464142 is a wasteful number, since it uses less digits than its factorization.

166464142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56787.

The product of its digits is 27648, while the sum is 34.

The square root of 166464142 is about 12902.0983564690. The cubic root of 166464142 is about 550.0982105612.

The spelling of 166464142 in words is "one hundred sixty-six million, four hundred sixty-four thousand, one hundred forty-two".