16651132 has 6 divisors (see below), whose sum is σ = 29139488. Its totient is φ = 8325564.

The previous prime is 16651127. The next prime is 16651153. The reversal of 16651132 is 23115661.

It is a junction number, because it is equal to n+sod(n) for n = 16651097 and 16651106.

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, 2081388 + ... + 2081395.

Almost surely, 2^16651132 is an apocalyptic number.

It is an amenable number.

16651132 is a deficient number, since it is larger than the sum of its proper divisors (12488356).

16651132 is a wasteful number, since it uses less digits than its factorization.

16651132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4162787 (or 4162785 counting only the distinct ones).

The product of its digits is 1080, while the sum is 25.

The square root of 16651132 is about 4080.5798607551. The cubic root of 16651132 is about 255.3570903837.

Adding to 16651132 its reverse (23115661), we get a palindrome (39766793).

The spelling of 16651132 in words is "sixteen million, six hundred fifty-one thousand, one hundred thirty-two".