16280002 has 4 divisors (see below), whose sum is σ = 24420006. Its totient is φ = 8140000.

The previous prime is 16279981. The next prime is 16280027. The reversal of 16280002 is 20008261.

It is a happy number.

16280002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15832441 + 447561 = 3979^2 + 669^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4069999 + ... + 4070002.

Almost surely, 2^16280002 is an apocalyptic number.

16280002 is a deficient number, since it is larger than the sum of its proper divisors (8140004).

16280002 is an equidigital number, since it uses as much as digits as its factorization.

16280002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8140003.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 16280002 is about 4034.8484482072. The cubic root of 16280002 is about 253.4456361890.

Adding to 16280002 its reverse (20008261), we get a palindrome (36288263).

The spelling of 16280002 in words is "sixteen million, two hundred eighty thousand, two".