16164500 has 48 divisors (see below), whose sum is σ = 38525760. Its totient is φ = 5876000.

The previous prime is 16164481. The next prime is 16164503. The reversal of 16164500 is 546161.

It is a super-3 number, since 3×16164500³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16164503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4031 + ... + 6969.

It is an arithmetic number, because the mean of its divisors is an integer number (802620).

Almost surely, 2^16164500 is an apocalyptic number.

16164500 is a gapful number since it is divisible by the number (10) 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 16164500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19262880).

16164500 is an abundant number, since it is smaller than the sum of its proper divisors (22361260).

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

16164500 is a wasteful number, since it uses less digits than its factorization.

16164500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2969 (or 2957 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 16164500 is about 4020.5099179084. The cubic root of 16164500 is about 252.8448381251.

It can be divided in two parts, 1616 and 4500, that added together give a palindrome (6116).

The spelling of 16164500 in words is "sixteen million, one hundred sixty-four thousand, five hundred".