164355432 has 32 divisors (see below), whose sum is σ = 414664800. Its totient is φ = 54281664.

The previous prime is 164355431. The next prime is 164355467. The reversal of 164355432 is 234553461.

It is a junction number, because it is equal to n+sod(n) for n = 164355393 and 164355402.

It is not an unprimeable number, because it can be changed into a prime (164355431) 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, 28798 + ... + 34029.

It is an arithmetic number, because the mean of its divisors is an integer number (12958275).

Almost surely, 2^164355432 is an apocalyptic number.

164355432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

164355432 is an abundant number, since it is smaller than the sum of its proper divisors (250309368).

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

164355432 is a wasteful number, since it uses less digits than its factorization.

164355432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62945 (or 62941 counting only the distinct ones).

The product of its digits is 43200, while the sum is 33.

The square root of 164355432 is about 12820.1182521847. The cubic root of 164355432 is about 547.7655149676.

It can be divided in two parts, 1643 and 55432, that added together give a palindrome (57075).

The spelling of 164355432 in words is "one hundred sixty-four million, three hundred fifty-five thousand, four hundred thirty-two".