16216064 has 52 divisors (see below), whose sum is σ = 33615864. Its totient is φ = 7815168.

The previous prime is 16216061. The next prime is 16216073. The reversal of 16216064 is 46061261.

It is a happy number.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16216061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151499 + ... + 151605.

Almost surely, 2^16216064 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 16216064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16807932).

16216064 is an abundant number, since it is smaller than the sum of its proper divisors (17399800).

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

16216064 is an equidigital number, since it uses as much as digits as its factorization.

16216064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 16216064 is about 4026.9174314853. The cubic root of 16216064 is about 253.1134071610.

The spelling of 16216064 in words is "sixteen million, two hundred sixteen thousand, sixty-four".