16030016 has 42 divisors (see below), whose sum is σ = 32823150. Its totient is φ = 7767040.

The previous prime is 16029973. The next prime is 16030019. The reversal of 16030016 is 61003061.

It can be written as a sum of positive squares in 3 ways, for example, as 2310400 + 13719616 = 1520^2 + 3704^2 .

It is a super-2 number, since 2×16030016² = 513922825920512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16029976 and 16030003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16030019) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 107510 + ... + 107658.

Almost surely, 2^16030016 is an apocalyptic number.

16030016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16030016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16411575).

16030016 is an abundant number, since it is smaller than the sum of its proper divisors (16793134).

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

16030016 is an equidigital number, since it uses as much as digits as its factorization.

16030016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 16030016 is about 4003.7502419607. The cubic root of 16030016 is about 252.1416856712.

Adding to 16030016 its reverse (61003061), we get a palindrome (77033077).

The spelling of 16030016 in words is "sixteen million, thirty thousand, sixteen".