16806132 has 72 divisors (see below), whose sum is σ = 51420096. Its totient is φ = 4518144.

The previous prime is 16806071. The next prime is 16806173. The reversal of 16806132 is 23160861.

It is a junction number, because it is equal to n+sod(n) for n = 16806096 and 16806105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2323 + ... + 6245.

It is an arithmetic number, because the mean of its divisors is an integer number (714168).

Almost surely, 2^16806132 is an apocalyptic number.

16806132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16806132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25710048).

16806132 is an abundant number, since it is smaller than the sum of its proper divisors (34613964).

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

16806132 is a wasteful number, since it uses less digits than its factorization.

16806132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3957 (or 3952 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 16806132 is about 4099.5282655447. The cubic root of 16806132 is about 256.1469899667.

Adding to 16806132 its reverse (23160861), we get a palindrome (39966993).

The spelling of 16806132 in words is "sixteen million, eight hundred six thousand, one hundred thirty-two".