16051812 has 36 divisors (see below), whose sum is σ = 43570800. Its totient is φ = 4586064.

The previous prime is 16051811. The next prime is 16051817. The reversal of 16051812 is 21815061.

It is not an unprimeable number, because it can be changed into a prime (16051811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13062 + ... + 14237.

It is an arithmetic number, because the mean of its divisors is an integer number (1210300).

Almost surely, 2^16051812 is an apocalyptic number.

16051812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16051812 is an abundant number, since it is smaller than the sum of its proper divisors (27518988).

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

16051812 is a wasteful number, since it uses less digits than its factorization.

16051812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27320 (or 27311 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 16051812 is about 4006.4712653406. The cubic root of 16051812 is about 252.2559128650.

Adding to 16051812 its reverse (21815061), we get a palindrome (37866873).

The spelling of 16051812 in words is "sixteen million, fifty-one thousand, eight hundred twelve".