16303972 has 6 divisors (see below), whose sum is σ = 28531958. Its totient is φ = 8151984.

The previous prime is 16303949. The next prime is 16304017. The reversal of 16303972 is 27930361.

It can be written as a sum of positive squares in only one way, i.e., 8328996 + 7974976 = 2886^2 + 2824^2 .

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, 2037993 + ... + 2038000.

Almost surely, 2^16303972 is an apocalyptic number.

It is an amenable number.

16303972 is a deficient number, since it is larger than the sum of its proper divisors (12227986).

16303972 is a wasteful number, since it uses less digits than its factorization.

16303972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4075997 (or 4075995 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 16303972 is about 4037.8177274364. The cubic root of 16303972 is about 253.5699628069.

The spelling of 16303972 in words is "sixteen million, three hundred three thousand, nine hundred seventy-two".