164447232 has 88 divisors (see below), whose sum is σ = 442152000. Its totient is φ = 54337536.

The previous prime is 164447207. The next prime is 164447251. The reversal of 164447232 is 232744461.

It is a super-2 number, since 2×164447232² = 54085784224923648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 164447193 and 164447202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 611194 + ... + 611462.

Almost surely, 2^164447232 is an apocalyptic number.

164447232 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 164447232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221076000).

164447232 is an abundant number, since it is smaller than the sum of its proper divisors (277704768).

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

164447232 is a wasteful number, since it uses less digits than its factorization.

164447232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491 (or 473 counting only the distinct ones).

The product of its digits is 32256, while the sum is 33.

The square root of 164447232 is about 12823.6980625715. The cubic root of 164447232 is about 547.8674799882.

The spelling of 164447232 in words is "one hundred sixty-four million, four hundred forty-seven thousand, two hundred thirty-two".