166941344 has 12 divisors (see below), whose sum is σ = 328665834. Its totient is φ = 83470656.

The previous prime is 166941329. The next prime is 166941347. The reversal of 166941344 is 443149661.

It can be written as a sum of positive squares in only one way, i.e., 149132944 + 17808400 = 12212^2 + 4220^2 .

It is a junction number, because it is equal to n+sod(n) for n = 166941298 and 166941307.

It is not an unprimeable number, because it can be changed into a prime (166941347) 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 as a sum of consecutive naturals, namely, 2608427 + ... + 2608490.

Almost surely, 2^166941344 is an apocalyptic number.

It is an amenable number.

166941344 is a deficient number, since it is larger than the sum of its proper divisors (161724490).

166941344 is an equidigital number, since it uses as much as digits as its factorization.

166941344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5216927 (or 5216919 counting only the distinct ones).

The product of its digits is 62208, while the sum is 38.

The square root of 166941344 is about 12920.5783152303. The cubic root of 166941344 is about 550.6233637431.

The spelling of 166941344 in words is "one hundred sixty-six million, nine hundred forty-one thousand, three hundred forty-four".