16630647 has 8 divisors (see below), whose sum is σ = 24190080. Its totient is φ = 10079160.

The previous prime is 16630631. The next prime is 16630651. The reversal of 16630647 is 74603661.

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

It is not a de Polignac number, because 16630647 - 2⁴ = 16630631 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 503959 = 16630647 / (1 + 6 + 6 + 3 + 0 + 6 + 4 + 7).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16630657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251947 + ... + 252012.

It is an arithmetic number, because the mean of its divisors is an integer number (3023760).

Almost surely, 2^16630647 is an apocalyptic number.

16630647 is a deficient number, since it is larger than the sum of its proper divisors (7559433).

16630647 is a wasteful number, since it uses less digits than its factorization.

16630647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503973.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 16630647 is about 4078.0690283515. The cubic root of 16630647 is about 255.2523300067.

The spelling of 16630647 in words is "sixteen million, six hundred thirty thousand, six hundred forty-seven".