32166912 has 88 divisors (see below), whose sum is σ = 88364896. Its totient is φ = 10395648.

The previous prime is 32166851. The next prime is 32166917. The reversal of 32166912 is 21966123.

It is a self number, because there is not a number n which added to its sum of digits gives 32166912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32166917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113523 + ... + 113805.

Almost surely, 2^32166912 is an apocalyptic number.

32166912 is a gapful number since it is divisible by the number (32) 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 32166912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44182448).

32166912 is an abundant number, since it is smaller than the sum of its proper divisors (56197984).

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

32166912 is a wasteful number, since it uses less digits than its factorization.

32166912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343 (or 325 counting only the distinct ones).

The product of its digits is 3888, while the sum is 30.

The square root of 32166912 is about 5671.5881373739. The cubic root of 32166912 is about 318.0312456937.

The spelling of 32166912 in words is "thirty-two million, one hundred sixty-six thousand, nine hundred twelve".