164024432 has 80 divisors (see below), whose sum is σ = 395412192. Its totient is φ = 64757760.

The previous prime is 164024423. The next prime is 164024447. The reversal of 164024432 is 234420461.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36788 + ... + 41004.

Almost surely, 2^164024432 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 164024432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197706096).

164024432 is an abundant number, since it is smaller than the sum of its proper divisors (231387760).

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

164024432 is a wasteful number, since it uses less digits than its factorization.

164024432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4266 (or 4260 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 164024432 is about 12807.2023486787. The cubic root of 164024432 is about 547.3975477416.

Adding to 164024432 its reverse (234420461), we get a palindrome (398444893).

The spelling of 164024432 in words is "one hundred sixty-four million, twenty-four thousand, four hundred thirty-two".