16045512 has 64 divisors (see below), whose sum is σ = 46224000. Its totient is φ = 4546560.

The previous prime is 16045511. The next prime is 16045517. The reversal of 16045512 is 21554061.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (16045511) 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, 24712 + ... + 25352.

It is an arithmetic number, because the mean of its divisors is an integer number (722250).

Almost surely, 2^16045512 is an apocalyptic number.

16045512 is a gapful number since it is divisible by the number (12) 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 16045512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23112000).

16045512 is an abundant number, since it is smaller than the sum of its proper divisors (30178488).

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

16045512 is a wasteful number, since it uses less digits than its factorization.

16045512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806 (or 802 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 16045512 is about 4005.6849601535. The cubic root of 16045512 is about 252.2229068259. Note that the first 3 decimals are identical.

Adding to 16045512 its reverse (21554061), we get a palindrome (37599573).

The spelling of 16045512 in words is "sixteen million, forty-five thousand, five hundred twelve".