16630 has 8 divisors (see below), whose sum is σ = 29952. Its totient is φ = 6648.

The previous prime is 16619. The next prime is 16631. The reversal of 16630 is 3661.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 822 + ... + 841.

It is an arithmetic number, because the mean of its divisors is an integer number (3744).

2¹⁶⁶³⁰ is an apocalyptic number.

16630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16630 is a deficient number, since it is larger than the sum of its proper divisors (13322).

16630 is a wasteful number, since it uses less digits than its factorization.

16630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 16630 is about 128.9573572930. The cubic root of 16630 is about 25.5249019845.

It can be divided in two parts, 166 and 30, that added together give a square (196 = 14²).

The spelling of 16630 in words is "sixteen thousand, six hundred thirty".