16620703 has 16 divisors (see below), whose sum is σ = 18779040. Its totient is φ = 14579200.

The previous prime is 16620691. The next prime is 16620707. The reversal of 16620703 is 30702661.

It is a cyclic number.

It is not a de Polignac number, because 16620703 - 2⁵ = 16620671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16620707) 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, 61653 + ... + 61921.

It is an arithmetic number, because the mean of its divisors is an integer number (1173690).

Almost surely, 2^16620703 is an apocalyptic number.

16620703 is a deficient number, since it is larger than the sum of its proper divisors (2158337).

16620703 is a wasteful number, since it uses less digits than its factorization.

16620703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 16620703 is about 4076.8496415737. The cubic root of 16620703 is about 255.2014453311.

The spelling of 16620703 in words is "sixteen million, six hundred twenty thousand, seven hundred three".