16650345 has 8 divisors (see below), whose sum is σ = 26640576. Its totient is φ = 8880176.

The previous prime is 16650343. The next prime is 16650349. The reversal of 16650345 is 54305661.

16650345 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 16650345 - 2¹ = 16650343 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16650343) 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, 554997 + ... + 555026.

It is an arithmetic number, because the mean of its divisors is an integer number (3330072).

Almost surely, 2^16650345 is an apocalyptic number.

16650345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16650345 is a deficient number, since it is larger than the sum of its proper divisors (9990231).

16650345 is a wasteful number, since it uses less digits than its factorization.

16650345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110031.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 16650345 is about 4080.4834272424. The cubic root of 16650345 is about 255.3530672499.

The spelling of 16650345 in words is "sixteen million, six hundred fifty thousand, three hundred forty-five".