16307816 has 32 divisors (see below), whose sum is σ = 35235840. Its totient is φ = 6931008.

The previous prime is 16307803. The next prime is 16307839. The reversal of 16307816 is 61870361.

It is an alternating number because its digits alternate between odd and even.

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 in 7 ways as a sum of consecutive naturals, for example, 5966 + ... + 8258.

It is an arithmetic number, because the mean of its divisors is an integer number (1101120).

Almost surely, 2^16307816 is an apocalyptic number.

It is an amenable number.

16307816 is an abundant number, since it is smaller than the sum of its proper divisors (18928024).

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

16307816 is a wasteful number, since it uses less digits than its factorization.

16307816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2433 (or 2429 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 16307816 is about 4038.2936990764. The cubic root of 16307816 is about 253.5898893693.

The spelling of 16307816 in words is "sixteen million, three hundred seven thousand, eight hundred sixteen".