166224576 has 112 divisors (see below), whose sum is σ = 505496576. Its totient is φ = 47222784.

The previous prime is 166224563. The next prime is 166224581. The reversal of 166224576 is 675422661.

It is a tau number, because it is divible by the number of its divisors (112).

It is an unprimeable number.

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, 452745 + ... + 453111.

Almost surely, 2^166224576 is an apocalyptic number.

166224576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166224576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252748288).

166224576 is an abundant number, since it is smaller than the sum of its proper divisors (339272000).

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

166224576 is a wasteful number, since it uses less digits than its factorization.

166224576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726 (or 716 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 166224576 is about 12892.8110200995. The cubic root of 166224576 is about 549.8341935461.

The spelling of 166224576 in words is "one hundred sixty-six million, two hundred twenty-four thousand, five hundred seventy-six".