16116003 has 16 divisors (see below), whose sum is σ = 24173600. Its totient is φ = 10742544.

The previous prime is 16115999. The next prime is 16116029. The reversal of 16116003 is 30061161.

16116003 is a `hidden beast` number, since 1 + 61 + 1 + 600 + 3 = 666.

It is not a de Polignac number, because 16116003 - 2² = 16115999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16116043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1498 + ... + 5871.

It is an arithmetic number, because the mean of its divisors is an integer number (1510850).

Almost surely, 2^16116003 is an apocalyptic number.

16116003 is a deficient number, since it is larger than the sum of its proper divisors (8057597).

16116003 is an frugal number, since it uses more digits than its factorization.

16116003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7390 (or 7372 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 16116003 is about 4014.4741872380. The cubic root of 16116003 is about 252.5917217343.

Adding to 16116003 its reverse (30061161), we get a palindrome (46177164).

The spelling of 16116003 in words is "sixteen million, one hundred sixteen thousand, three".