16630523 has 16 divisors (see below), whose sum is σ = 20643840. Its totient is φ = 13045536.

The previous prime is 16630517. The next prime is 16630531. The reversal of 16630523 is 32503661.

It is not a de Polignac number, because 16630523 - 2⁶ = 16630459 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16630492 and 16630501.

It is not an unprimeable number, because it can be changed into a prime (16630513) 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 15 ways as a sum of consecutive naturals, for example, 10838 + ... + 12276.

It is an arithmetic number, because the mean of its divisors is an integer number (1290240).

Almost surely, 2^16630523 is an apocalyptic number.

16630523 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16630523 is a deficient number, since it is larger than the sum of its proper divisors (4013317).

16630523 is a wasteful number, since it uses less digits than its factorization.

16630523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 16630523 is about 4078.0538250494. The cubic root of 16630523 is about 255.2516956083.

The spelling of 16630523 in words is "sixteen million, six hundred thirty thousand, five hundred twenty-three".