16116603 has 8 divisors (see below), whose sum is σ = 21508608. Its totient is φ = 10734504.

The previous prime is 16116601. The next prime is 16116613. The reversal of 16116603 is 30661161.

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

It is not a de Polignac number, because 16116603 - 2¹ = 16116601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16116601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3150 + ... + 6492.

It is an arithmetic number, because the mean of its divisors is an integer number (2688576).

Almost surely, 2^16116603 is an apocalyptic number.

16116603 is a deficient number, since it is larger than the sum of its proper divisors (5392005).

16116603 is a wasteful number, since it uses less digits than its factorization.

16116603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4953.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 16116603 is about 4014.5489161299. The cubic root of 16116603 is about 252.5948563650.

Adding to 16116603 its reverse (30661161), we get a palindrome (46777764).

The spelling of 16116603 in words is "sixteen million, one hundred sixteen thousand, six hundred three".