16020016 has 20 divisors (see below), whose sum is σ = 31136400. Its totient is φ = 7984832.

The previous prime is 16020007. The next prime is 16020023. The reversal of 16020016 is 61002061.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4350 + ... + 7138.

It is an arithmetic number, because the mean of its divisors is an integer number (1556820).

Almost surely, 2^16020016 is an apocalyptic number.

16020016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16020016 is a deficient number, since it is larger than the sum of its proper divisors (15116384).

16020016 is a wasteful number, since it uses less digits than its factorization.

16020016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3156 (or 3150 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 16020016 is about 4002.5012179886. The cubic root of 16020016 is about 252.0892436077.

Adding to 16020016 its reverse (61002061), we get a palindrome (77022077).

The spelling of 16020016 in words is "sixteen million, twenty thousand, sixteen".