166044032 has 128 divisors (see below), whose sum is σ = 437114880. Its totient is φ = 60825600.

The previous prime is 166044031. The next prime is 166044041. The reversal of 166044032 is 230440661.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 166043992 and 166044010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166044031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167057 + ... + 168047.

It is an arithmetic number, because the mean of its divisors is an integer number (3414960).

Almost surely, 2^166044032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166044032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218557440).

166044032 is an abundant number, since it is smaller than the sum of its proper divisors (271070848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166044032 is a wasteful number, since it uses less digits than its factorization.

166044032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040 (or 1028 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 166044032 is about 12885.8073864233. The cubic root of 166044032 is about 549.6350548688.

Adding to 166044032 its reverse (230440661), we get a palindrome (396484693).

The spelling of 166044032 in words is "one hundred sixty-six million, forty-four thousand, thirty-two".