16049803 has 18 divisors (see below), whose sum is σ = 20529348. Its totient is φ = 12501720.

The previous prime is 16049801. The next prime is 16049807. The reversal of 16049803 is 30894061.

It is not a de Polignac number, because 16049803 - 2¹ = 16049801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16049801) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4576 + ... + 7282.

Almost surely, 2^16049803 is an apocalyptic number.

16049803 is a deficient number, since it is larger than the sum of its proper divisors (4479545).

16049803 is a wasteful number, since it uses less digits than its factorization.

16049803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2743 (or 2725 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 16049803 is about 4006.2205381132. The cubic root of 16049803 is about 252.2453885439.

The spelling of 16049803 in words is "sixteen million, forty-nine thousand, eight hundred three".