166256232 has 128 divisors (see below), whose sum is σ = 458304000. Its totient is φ = 50077440.

The previous prime is 166256219. The next prime is 166256261. The reversal of 166256232 is 232652661.

It is a super-2 number, since 2×166256232² = 55282269357675648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 166256193 and 166256202.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1196019 + ... + 1196157.

It is an arithmetic number, because the mean of its divisors is an integer number (3580500).

Almost surely, 2^166256232 is an apocalyptic number.

166256232 is a gapful number since it is divisible by the number (12) 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 166256232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229152000).

166256232 is an abundant number, since it is smaller than the sum of its proper divisors (292047768).

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

166256232 is a wasteful number, since it uses less digits than its factorization.

166256232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271 (or 267 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 166256232 is about 12894.0386225573. The cubic root of 166256232 is about 549.8690950167.

The spelling of 166256232 in words is "one hundred sixty-six million, two hundred fifty-six thousand, two hundred thirty-two".