16413903 has 24 divisors (see below), whose sum is σ = 26569296. Its totient is φ = 9676800.

The previous prime is 16413889. The next prime is 16413931. The reversal of 16413903 is 30931461.

It is not a de Polignac number, because 16413903 - 2¹⁴ = 16397519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16413953) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1423 + ... + 5903.

It is an arithmetic number, because the mean of its divisors is an integer number (1107054).

Almost surely, 2^16413903 is an apocalyptic number.

16413903 is a deficient number, since it is larger than the sum of its proper divisors (10155393).

16413903 is a wasteful number, since it uses less digits than its factorization.

16413903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4535 (or 4532 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 16413903 is about 4051.4075331914. The cubic root of 16413903 is about 254.1385928083.

The spelling of 16413903 in words is "sixteen million, four hundred thirteen thousand, nine hundred three".