16517996 has 24 divisors (see below), whose sum is σ = 31921344. Its totient is φ = 7416080.

The previous prime is 16517983. The next prime is 16518013. The reversal of 16517996 is 69971561.

16517996 = T₉₈₄ + T₉₈₅ + ... + T₁₀₁₆.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1391 + ... + 5913.

It is an arithmetic number, because the mean of its divisors is an integer number (1330056).

Almost surely, 2^16517996 is an apocalyptic number.

It is an amenable number.

16517996 is a deficient number, since it is larger than the sum of its proper divisors (15403348).

16517996 is a wasteful number, since it uses less digits than its factorization.

16517996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4621 (or 4619 counting only the distinct ones).

The product of its digits is 102060, while the sum is 44.

The square root of 16517996 is about 4064.2337531200. The cubic root of 16517996 is about 254.6746896162.

The spelling of 16517996 in words is "sixteen million, five hundred seventeen thousand, nine hundred ninety-six".