16340630 has 32 divisors (see below), whose sum is σ = 30918240. Its totient is φ = 6216672.

The previous prime is 16340629. The next prime is 16340647. The reversal of 16340630 is 3604361.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16340596 and 16340605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243857 + ... + 243923.

It is an arithmetic number, because the mean of its divisors is an integer number (966195).

Almost surely, 2^16340630 is an apocalyptic number.

16340630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16340630 is a deficient number, since it is larger than the sum of its proper divisors (14577610).

16340630 is an frugal number, since it uses more digits than its factorization.

16340630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 16340630 is about 4042.3545119151. The cubic root of 16340630 is about 253.7598635622.

Adding to 16340630 its reverse (3604361), we get a palindrome (19944991).

The spelling of 16340630 in words is "sixteen million, three hundred forty thousand, six hundred thirty".