16229646 has 20 divisors (see below), whose sum is σ = 36366792. Its totient is φ = 5409828.

The previous prime is 16229641. The next prime is 16229657. The reversal of 16229646 is 64692261.

16229646 is a `hidden beast` number, since 1 + 6 + 2 + 2 + 9 + 646 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 16229646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16229641) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 49930 + ... + 50253.

Almost surely, 2^16229646 is an apocalyptic number.

16229646 is an abundant number, since it is smaller than the sum of its proper divisors (20137146).

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

16229646 is a wasteful number, since it uses less digits than its factorization.

16229646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100197 (or 100188 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 16229646 is about 4028.6034801157. The cubic root of 16229646 is about 253.1840537115.

The spelling of 16229646 in words is "sixteen million, two hundred twenty-nine thousand, six hundred forty-six".