16616132 has 12 divisors (see below), whose sum is σ = 31315116. Its totient is φ = 7668960.

The previous prime is 16616129. The next prime is 16616141. The reversal of 16616132 is 23161661.

It can be written as a sum of positive squares in 2 ways, for example, as 4056196 + 12559936 = 2014^2 + 3544^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

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 in 3 ways as a sum of consecutive naturals, for example, 159719 + ... + 159822.

It is an arithmetic number, because the mean of its divisors is an integer number (2609593).

Almost surely, 2^16616132 is an apocalyptic number.

It is an amenable number.

16616132 is a deficient number, since it is larger than the sum of its proper divisors (14698984).

16616132 is a wasteful number, since it uses less digits than its factorization.

16616132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319558 (or 319556 counting only the distinct ones).

The product of its digits is 1296, while the sum is 26.

The square root of 16616132 is about 4076.2889985868. The cubic root of 16616132 is about 255.1780481506.

Adding to 16616132 its reverse (23161661), we get a palindrome (39777793).

The spelling of 16616132 in words is "sixteen million, six hundred sixteen thousand, one hundred thirty-two".