16516104 has 64 divisors (see below), whose sum is σ = 45714240. Its totient is φ = 4930560.

The previous prime is 16516099. The next prime is 16516121. The reversal of 16516104 is 40161561.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18844 + ... + 19700.

It is an arithmetic number, because the mean of its divisors is an integer number (714285).

Almost surely, 2^16516104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16516104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22857120).

16516104 is an abundant number, since it is smaller than the sum of its proper divisors (29198136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16516104 is a wasteful number, since it uses less digits than its factorization.

16516104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950 (or 946 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 16516104 is about 4064.0009842518. Note that the first 3 decimals coincide. The cubic root of 16516104 is about 254.6649656176.

Adding to 16516104 its reverse (40161561), we get a palindrome (56677665).

The spelling of 16516104 in words is "sixteen million, five hundred sixteen thousand, one hundred four".