16363656 has 96 divisors (see below), whose sum is σ = 48648600. Its totient is φ = 4945920.

The previous prime is 16363651. The next prime is 16363679. The reversal of 16363656 is 65636361.

It is a happy number.

16363656 is a `hidden beast` number, since 16 + 3 + 636 + 5 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 14699556 + 1664100 = 3834^2 + 1290^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 16363656.

It is not an unprimeable number, because it can be changed into a prime (16363651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35266 + ... + 35726.

Almost surely, 2^16363656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16363656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24324300).

16363656 is an abundant number, since it is smaller than the sum of its proper divisors (32284944).

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

16363656 is a wasteful number, since it uses less digits than its factorization.

16363656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519 (or 512 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

The square root of 16363656 is about 4045.2016018982. The cubic root of 16363656 is about 253.8790007930.

The spelling of 16363656 in words is "sixteen million, three hundred sixty-three thousand, six hundred fifty-six".