166744822336 has 21 divisors (see below), whose sum is σ = 330890739411. Its totient is φ = 83370777792.

The previous prime is 166744822333. The next prime is 166744822357. The reversal of 166744822336 is 633228447661.

It is a happy number.

The square root of 166744822336 is 408344.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166744822333) 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 2 ways as a sum of consecutive naturals, for example, 3241231 + ... + 3292273.

Almost surely, 2^166744822336 is an apocalyptic number.

166744822336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

166744822336 is the 408344-th square number.

It is an amenable number.

166744822336 is a deficient number, since it is larger than the sum of its proper divisors (164145917075).

166744822336 is an frugal number, since it uses more digits than its factorization.

166744822336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102098 (or 51045 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 52.

The spelling of 166744822336 in words is "one hundred sixty-six billion, seven hundred forty-four million, eight hundred twenty-two thousand, three hundred thirty-six".