16890132 has 24 divisors (see below), whose sum is σ = 45040576. Its totient is φ = 4825728.

The previous prime is 16890131. The next prime is 16890161. The reversal of 16890132 is 23109861.

It is a self number, because there is not a number n which added to its sum of digits gives 16890132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16890131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100453 + ... + 100620.

Almost surely, 2^16890132 is an apocalyptic number.

16890132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16890132 is an abundant number, since it is smaller than the sum of its proper divisors (28150444).

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

16890132 is a wasteful number, since it uses less digits than its factorization.

16890132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201087 (or 201085 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 16890132 is about 4109.7605769680. The cubic root of 16890132 is about 256.5730368182.

Adding to 16890132 its reverse (23109861), we get a palindrome (39999993).

The spelling of 16890132 in words is "sixteen million, eight hundred ninety thousand, one hundred thirty-two".