166943456 has 24 divisors (see below), whose sum is σ = 330385104. Its totient is φ = 83036160.

The previous prime is 166943393. The next prime is 166943467. The reversal of 166943456 is 654349661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7340 + ... + 19691.

It is an arithmetic number, because the mean of its divisors is an integer number (13766046).

Almost surely, 2^166943456 is an apocalyptic number.

166943456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

166943456 is a deficient number, since it is larger than the sum of its proper divisors (163441648).

166943456 is a wasteful number, since it uses less digits than its factorization.

166943456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27234 (or 27226 counting only the distinct ones).

The product of its digits is 466560, while the sum is 44.

The square root of 166943456 is about 12920.6600450596. The cubic root of 166943456 is about 550.6256857396.

The spelling of 166943456 in words is "one hundred sixty-six million, nine hundred forty-three thousand, four hundred fifty-six".