166228032 has 28 divisors (see below), whose sum is σ = 439812176. Its totient is φ = 55409280.

The previous prime is 166228021. The next prime is 166228037. The reversal of 166228032 is 230822661.

It is not an unprimeable number, because it can be changed into a prime (166228037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432694 + ... + 433077.

Almost surely, 2^166228032 is an apocalyptic number.

166228032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

166228032 is an abundant number, since it is smaller than the sum of its proper divisors (273584144).

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

166228032 is an equidigital number, since it uses as much as digits as its factorization.

166228032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865786 (or 865776 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 166228032 is about 12892.9450475832. The cubic root of 166228032 is about 549.8380040814.

The spelling of 166228032 in words is "one hundred sixty-six million, two hundred twenty-eight thousand, thirty-two".