16040812 has 6 divisors (see below), whose sum is σ = 28071428. Its totient is φ = 8020404.

The previous prime is 16040803. The next prime is 16040831. The reversal of 16040812 is 21804061.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2005098 + ... + 2005105.

Almost surely, 2^16040812 is an apocalyptic number.

It is an amenable number.

16040812 is a deficient number, since it is larger than the sum of its proper divisors (12030616).

16040812 is a wasteful number, since it uses less digits than its factorization.

16040812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4010207 (or 4010205 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 16040812 is about 4005.0982509796. The cubic root of 16040812 is about 252.1982776455.

Adding to 16040812 its reverse (21804061), we get a palindrome (37844873).

The spelling of 16040812 in words is "sixteen million, forty thousand, eight hundred twelve".