16117256 has 8 divisors (see below), whose sum is σ = 30219870. Its totient is φ = 8058624.

The previous prime is 16117253. The next prime is 16117261. The reversal of 16117256 is 65271161.

It can be written as a sum of positive squares in only one way, i.e., 13764100 + 2353156 = 3710^2 + 1534^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (16117253) 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 as a sum of consecutive naturals, namely, 1007321 + ... + 1007336.

Almost surely, 2^16117256 is an apocalyptic number.

It is an amenable number.

16117256 is a deficient number, since it is larger than the sum of its proper divisors (14102614).

16117256 is a wasteful number, since it uses less digits than its factorization.

16117256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2014663 (or 2014659 counting only the distinct ones).

The product of its digits is 2520, while the sum is 29.

The square root of 16117256 is about 4014.6302444933. The cubic root of 16117256 is about 252.5982677997.

The spelling of 16117256 in words is "sixteen million, one hundred seventeen thousand, two hundred fifty-six".