16212064 has 72 divisors (see below), whose sum is σ = 36197280. Its totient is φ = 7138560.

The previous prime is 16212061. The next prime is 16212083. The reversal of 16212064 is 46021261.

16212064 = 237² + 238² + ... + 395².

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16212061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 205177 + ... + 205255.

It is an arithmetic number, because the mean of its divisors is an integer number (502740).

Almost surely, 2^16212064 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 16212064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18098640).

16212064 is an abundant number, since it is smaller than the sum of its proper divisors (19985216).

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

16212064 is a wasteful number, since it uses less digits than its factorization.

16212064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 16212064 is about 4026.4207430421. The cubic root of 16212064 is about 253.0925937074.

The spelling of 16212064 in words is "sixteen million, two hundred twelve thousand, sixty-four".