16380008 has 8 divisors (see below), whose sum is σ = 30712530. Its totient is φ = 8190000.

The previous prime is 16379999. The next prime is 16380029. The reversal of 16380008 is 80008361.

It can be written as a sum of positive squares in only one way, i.e., 8773444 + 7606564 = 2962^2 + 2758^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1023743 + ... + 1023758.

Almost surely, 2^16380008 is an apocalyptic number.

It is an amenable number.

16380008 is a deficient number, since it is larger than the sum of its proper divisors (14332522).

16380008 is a wasteful number, since it uses less digits than its factorization.

16380008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2047507 (or 2047503 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 16380008 is about 4047.2222573019. Note that the first 4 decimals coincide. The cubic root of 16380008 is about 253.9635386934.

Adding to 16380008 its reverse (80008361), we get a palindrome (96388369).

The spelling of 16380008 in words is "sixteen million, three hundred eighty thousand, eight".