16000099 has 4 divisors (see below), whose sum is σ = 16044064. Its totient is φ = 15956136.

The previous prime is 16000097. The next prime is 16000121. The reversal of 16000099 is 99000061.

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

It is a cyclic number.

It is not a de Polignac number, because 16000099 - 2¹ = 16000097 is a prime.

It is a Duffinian number.

16000099 is a modest number, since divided by 99 gives 16 as remainder.

It is not an unprimeable number, because it can be changed into a prime (16000097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21432 + ... + 22165.

It is an arithmetic number, because the mean of its divisors is an integer number (4011016).

Almost surely, 2^16000099 is an apocalyptic number.

16000099 is a deficient number, since it is larger than the sum of its proper divisors (43965).

16000099 is an equidigital number, since it uses as much as digits as its factorization.

16000099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43964.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 16000099 is about 4000.0123749809. The cubic root of 16000099 is about 251.9847296953.

The spelling of 16000099 in words is "sixteen million, ninety-nine", and thus it is an aban number and an uban number.