16330665 has 32 divisors (see below), whose sum is σ = 28506240. Its totient is φ = 7934976.

The previous prime is 16330663. The next prime is 16330673. The reversal of 16330665 is 56603361.

It is not a de Polignac number, because 16330665 - 2¹ = 16330663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16330663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15681 + ... + 16689.

It is an arithmetic number, because the mean of its divisors is an integer number (890820).

Almost surely, 2^16330665 is an apocalyptic number.

16330665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16330665 is a deficient number, since it is larger than the sum of its proper divisors (12175575).

16330665 is a wasteful number, since it uses less digits than its factorization.

16330665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 16330665 is about 4041.1217502075. The cubic root of 16330665 is about 253.7082696468.

The spelling of 16330665 in words is "sixteen million, three hundred thirty thousand, six hundred sixty-five".