16647045 has 16 divisors (see below), whose sum is σ = 26758080. Its totient is φ = 8837504.

The previous prime is 16647041. The next prime is 16647049. The reversal of 16647045 is 54074661.

16647045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (16647041) and next prime (16647049).

It is a cyclic number.

It is not a de Polignac number, because 16647045 - 2² = 16647041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16646997 and 16647015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16647041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 961 + ... + 5849.

It is an arithmetic number, because the mean of its divisors is an integer number (1672380).

Almost surely, 2^16647045 is an apocalyptic number.

16647045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16647045 is a deficient number, since it is larger than the sum of its proper divisors (10111035).

16647045 is a wasteful number, since it uses less digits than its factorization.

16647045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5124.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 16647045 is about 4080.0790433520. The cubic root of 16647045 is about 255.3361963122.

The spelling of 16647045 in words is "sixteen million, six hundred forty-seven thousand, forty-five".