16616703 has 4 divisors (see below), whose sum is σ = 22155608. Its totient is φ = 11077800.

The previous prime is 16616693. The next prime is 16616711. The reversal of 16616703 is 30761661.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 16616703 - 2¹⁰ = 16615679 is a prime.

It is a super-2 number, since 2×16616703² = 552229637180418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16616783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2769448 + ... + 2769453.

It is an arithmetic number, because the mean of its divisors is an integer number (5538902).

Almost surely, 2^16616703 is an apocalyptic number.

16616703 is a deficient number, since it is larger than the sum of its proper divisors (5538905).

16616703 is an equidigital number, since it uses as much as digits as its factorization.

16616703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5538904.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 16616703 is about 4076.3590371801. The cubic root of 16616703 is about 255.1809711132.

The spelling of 16616703 in words is "sixteen million, six hundred sixteen thousand, seven hundred three".