16530633 has 12 divisors (see below), whose sum is σ = 27288768. Its totient is φ = 9446040.

The previous prime is 16530623. The next prime is 16530653. The reversal of 16530633 is 33603561.

16530633 is a `hidden beast` number, since 1 + 653 + 0 + 6 + 3 + 3 = 666.

It is not a de Polignac number, because 16530633 - 2⁴ = 16530617 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16530597 and 16530606.

It is not an unprimeable number, because it can be changed into a prime (16530623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131133 + ... + 131258.

It is an arithmetic number, because the mean of its divisors is an integer number (2274064).

Almost surely, 2^16530633 is an apocalyptic number.

It is an amenable number.

16530633 is a deficient number, since it is larger than the sum of its proper divisors (10758135).

16530633 is a wasteful number, since it uses less digits than its factorization.

16530633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262404 (or 262401 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 27.

The square root of 16530633 is about 4065.7881154827. The cubic root of 16530633 is about 254.7396188744.

The spelling of 16530633 in words is "sixteen million, five hundred thirty thousand, six hundred thirty-three".