16650946 has 8 divisors (see below), whose sum is σ = 26897724. Its totient is φ = 7685040.

The previous prime is 16650943. The next prime is 16650947. The reversal of 16650946 is 64905661.

16650946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12075625 + 4575321 = 3475^2 + 2139^2 .

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

It is not an unprimeable number, because it can be changed into a prime (16650941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320185 + ... + 320236.

Almost surely, 2^16650946 is an apocalyptic number.

16650946 is a deficient number, since it is larger than the sum of its proper divisors (10246778).

16650946 is a wasteful number, since it uses less digits than its factorization.

16650946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640436.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 16650946 is about 4080.5570698129. The cubic root of 16650946 is about 255.3561395656.

The spelling of 16650946 in words is "sixteen million, six hundred fifty thousand, nine hundred forty-six".