16545212 has 6 divisors (see below), whose sum is σ = 28954128. Its totient is φ = 8272604.

The previous prime is 16545209. The next prime is 16545223. The reversal of 16545212 is 21254561.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2068148 + ... + 2068155.

It is an arithmetic number, because the mean of its divisors is an integer number (4825688).

Almost surely, 2^16545212 is an apocalyptic number.

It is an amenable number.

16545212 is a deficient number, since it is larger than the sum of its proper divisors (12408916).

16545212 is a wasteful number, since it uses less digits than its factorization.

16545212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4136307 (or 4136305 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 16545212 is about 4067.5806076831. The cubic root of 16545212 is about 254.8144850868.

Adding to 16545212 its reverse (21254561), we get a palindrome (37799773).

The spelling of 16545212 in words is "sixteen million, five hundred forty-five thousand, two hundred twelve".