16216536 has 32 divisors (see below), whose sum is σ = 46333440. Its totient is φ = 4633248.

The previous prime is 16216531. The next prime is 16216537. The reversal of 16216536 is 63561261.

It is a super-3 number, since 3×16216536³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16216531) 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, 48096 + ... + 48431.

It is an arithmetic number, because the mean of its divisors is an integer number (1447920).

Almost surely, 2^16216536 is an apocalyptic number.

It is an amenable number.

16216536 is an abundant number, since it is smaller than the sum of its proper divisors (30116904).

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

16216536 is a wasteful number, since it uses less digits than its factorization.

16216536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96543 (or 96539 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 16216536 is about 4026.9760366806. The cubic root of 16216536 is about 253.1158629227.

Adding to 16216536 its reverse (63561261), we get a palindrome (79777797).

The spelling of 16216536 in words is "sixteen million, two hundred sixteen thousand, five hundred thirty-six".