16032906 has 12 divisors (see below), whose sum is σ = 34738002. Its totient is φ = 5344296.

The previous prime is 16032901. The next prime is 16032923. The reversal of 16032906 is 60923061.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 15139881 + 893025 = 3891^2 + 945^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16032906.

It is not an unprimeable number, because it can be changed into a prime (16032901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 445341 + ... + 445376.

Almost surely, 2^16032906 is an apocalyptic number.

16032906 is an abundant number, since it is smaller than the sum of its proper divisors (18705096).

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

16032906 is a wasteful number, since it uses less digits than its factorization.

16032906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890725 (or 890722 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 16032906 is about 4004.1111373187. Note that the first 4 decimals coincide. The cubic root of 16032906 is about 252.1568373650.

Adding to 16032906 its reverse (60923061), we get a palindrome (76955967).

The spelling of 16032906 in words is "sixteen million, thirty-two thousand, nine hundred six".