16012008 has 24 divisors (see below), whose sum is σ = 43366050. Its totient is φ = 5337312.

The previous prime is 16011997. The next prime is 16012037. The reversal of 16012008 is 80021061.

16012008 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 14884164 + 1127844 = 3858^2 + 1062^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111123 + ... + 111266.

Almost surely, 2^16012008 is an apocalyptic number.

16012008 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16012008 is an abundant number, since it is smaller than the sum of its proper divisors (27354042).

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

16012008 is a wasteful number, since it uses less digits than its factorization.

16012008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222401 (or 222394 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 16012008 is about 4001.5007184805. The cubic root of 16012008 is about 252.0472322654.

Adding to 16012008 its reverse (80021061), we get a palindrome (96033069).

The spelling of 16012008 in words is "sixteen million, twelve thousand, eight".