16330645 has 8 divisors (see below), whose sum is σ = 20229120. Its totient is φ = 12642960.

The previous prime is 16330637. The next prime is 16330663. The reversal of 16330645 is 54603361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16330645 - 2³ = 16330637 is a prime.

It is a super-2 number, since 2×16330645² = 533379932232050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52525 + ... + 52834.

It is an arithmetic number, because the mean of its divisors is an integer number (2528640).

Almost surely, 2^16330645 is an apocalyptic number.

It is an amenable number.

16330645 is a deficient number, since it is larger than the sum of its proper divisors (3898475).

16330645 is a wasteful number, since it uses less digits than its factorization.

16330645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105395.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 16330645 is about 4041.1192756463. The cubic root of 16330645 is about 253.7081660754.

The spelling of 16330645 in words is "sixteen million, three hundred thirty thousand, six hundred forty-five".