16505036 has 12 divisors (see below), whose sum is σ = 28922712. Its totient is φ = 8241408.

The previous prime is 16505023. The next prime is 16505039. The reversal of 16505036 is 63050561.

It is a super-2 number, since 2×16505036² = 544832426722592, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 16504996 and 16505014.

It is not an unprimeable number, because it can be changed into a prime (16505039) 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, 1196 + ... + 5868.

It is an arithmetic number, because the mean of its divisors is an integer number (2410226).

Almost surely, 2^16505036 is an apocalyptic number.

It is an amenable number.

16505036 is a deficient number, since it is larger than the sum of its proper divisors (12417676).

16505036 is a wasteful number, since it uses less digits than its factorization.

16505036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5560 (or 5558 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 16505036 is about 4062.6390437744. The cubic root of 16505036 is about 254.6080663696.

Adding to 16505036 its reverse (63050561), we get a palindrome (79555597).

The spelling of 16505036 in words is "sixteen million, five hundred five thousand, thirty-six".