164552538 has 16 divisors (see below), whose sum is σ = 329602176. Its totient is φ = 54768000.

The previous prime is 164552501. The next prime is 164552569. The reversal of 164552538 is 835255461.

It is a junction number, because it is equal to n+sod(n) for n = 164552496 and 164552505.

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, 16338 + ... + 24413.

It is an arithmetic number, because the mean of its divisors is an integer number (20600136).

Almost surely, 2^164552538 is an apocalyptic number.

164552538 is an abundant number, since it is smaller than the sum of its proper divisors (165049638).

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

164552538 is a wasteful number, since it uses less digits than its factorization.

164552538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41429.

The product of its digits is 144000, while the sum is 39.

The square root of 164552538 is about 12827.8033193529. The cubic root of 164552538 is about 547.9843998081.

It can be divided in two parts, 16 and 4552538, that added together give a palindrome (4552554).

The spelling of 164552538 in words is "one hundred sixty-four million, five hundred fifty-two thousand, five hundred thirty-eight".