16041403 has 4 divisors (see below), whose sum is σ = 18333040. Its totient is φ = 13749768.

The previous prime is 16041401. The next prime is 16041407. The reversal of 16041403 is 30414061.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30414061 = 941 ⋅32321.

It is a cyclic number.

It is not a de Polignac number, because 16041403 - 2¹ = 16041401 is a prime.

It is a super-2 number, since 2×16041403² = 514653220416818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16041401) 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, 1145808 + ... + 1145821.

It is an arithmetic number, because the mean of its divisors is an integer number (4583260).

Almost surely, 2^16041403 is an apocalyptic number.

16041403 is a deficient number, since it is larger than the sum of its proper divisors (2291637).

16041403 is an equidigital number, since it uses as much as digits as its factorization.

16041403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2291636.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 16041403 is about 4005.1720312616. The cubic root of 16041403 is about 252.2013748984.

Adding to 16041403 its reverse (30414061), we get a palindrome (46455464).

The spelling of 16041403 in words is "sixteen million, forty-one thousand, four hundred three".