164149232 has 40 divisors (see below), whose sum is σ = 350487984. Its totient is φ = 73995264.

The previous prime is 164149207. The next prime is 164149273. The reversal of 164149232 is 232941461.

It is a congruent number.

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, 233 + ... + 18120.

Almost surely, 2^164149232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164149232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175243992).

164149232 is an abundant number, since it is smaller than the sum of its proper divisors (186338752).

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

164149232 is a wasteful number, since it uses less digits than its factorization.

164149232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18417 (or 18411 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 164149232 is about 12812.0736807123. The cubic root of 164149232 is about 547.5363439243.

The spelling of 164149232 in words is "one hundred sixty-four million, one hundred forty-nine thousand, two hundred thirty-two".