16385645 has 8 divisors (see below), whose sum is σ = 19699200. Its totient is φ = 13084240.

The previous prime is 16385617. The next prime is 16385647. The reversal of 16385645 is 54658361.

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

It is not a de Polignac number, because 16385645 - 2⁸ = 16385389 is a prime.

It is a super-3 number, since 3×16385645³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16385599 and 16385608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16385647) by changing a digit.

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, 260 + ... + 5730.

It is an arithmetic number, because the mean of its divisors is an integer number (2462400).

Almost surely, 2^16385645 is an apocalyptic number.

It is an amenable number.

16385645 is a deficient number, since it is larger than the sum of its proper divisors (3313555).

16385645 is an equidigital number, since it uses as much as digits as its factorization.

16385645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6075.

The product of its digits is 86400, while the sum is 38.

The square root of 16385645 is about 4047.9186009603. The cubic root of 16385645 is about 253.9926682737.

The spelling of 16385645 in words is "sixteen million, three hundred eighty-five thousand, six hundred forty-five".