16213136 has 10 divisors (see below), whose sum is σ = 31412982. Its totient is φ = 8106560.

The previous prime is 16213111. The next prime is 16213139. The reversal of 16213136 is 63131261.

It is a happy number.

16213136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10240000 + 5973136 = 3200^2 + 2444^2 .

It is not an unprimeable number, because it can be changed into a prime (16213139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506645 + ... + 506676.

Almost surely, 2^16213136 is an apocalyptic number.

16213136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16213136 is a deficient number, since it is larger than the sum of its proper divisors (15199846).

16213136 is a wasteful number, since it uses less digits than its factorization.

16213136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013329 (or 1013323 counting only the distinct ones).

The product of its digits is 648, while the sum is 23.

The square root of 16213136 is about 4026.5538615546. The cubic root of 16213136 is about 253.0981720487.

Adding to 16213136 its reverse (63131261), we get a palindrome (79344397).

The spelling of 16213136 in words is "sixteen million, two hundred thirteen thousand, one hundred thirty-six".