16039049 has 8 divisors (see below), whose sum is σ = 17510472. Its totient is φ = 14601600.

The previous prime is 16039039. The next prime is 16039061. The reversal of 16039049 is 94093061.

It can be written as a sum of positive squares in 4 ways, for example, as 5359225 + 10679824 = 2315^2 + 3268^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-16039049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16039039) 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, 7502 + ... + 9399.

It is an arithmetic number, because the mean of its divisors is an integer number (2188809).

Almost surely, 2^16039049 is an apocalyptic number.

It is an amenable number.

16039049 is a deficient number, since it is larger than the sum of its proper divisors (1471423).

16039049 is a wasteful number, since it uses less digits than its factorization.

16039049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16987.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 16039049 is about 4004.8781504560. The cubic root of 16039049 is about 252.1890378420.

The spelling of 16039049 in words is "sixteen million, thirty-nine thousand, forty-nine".