16749065 has 8 divisors (see below), whose sum is σ = 20223168. Its totient is φ = 13316400.

The previous prime is 16749053. The next prime is 16749067. The reversal of 16749065 is 56094761.

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

It is not a de Polignac number, because 16749065 - 2⁶ = 16749001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16749067) 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, 9461 + ... + 11090.

It is an arithmetic number, because the mean of its divisors is an integer number (2527896).

Almost surely, 2^16749065 is an apocalyptic number.

It is an amenable number.

16749065 is a deficient number, since it is larger than the sum of its proper divisors (3474103).

16749065 is a wasteful number, since it uses less digits than its factorization.

16749065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20719.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 16749065 is about 4092.5621559116. The cubic root of 16749065 is about 255.8567364510.

The spelling of 16749065 in words is "sixteen million, seven hundred forty-nine thousand, sixty-five".