16085257 has 8 divisors (see below), whose sum is σ = 16824960. Its totient is φ = 15348960.

The previous prime is 16085221. The next prime is 16085261. The reversal of 16085257 is 75258061.

16085257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16085257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16085287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17044 + ... + 17962.

It is an arithmetic number, because the mean of its divisors is an integer number (2103120).

Almost surely, 2^16085257 is an apocalyptic number.

It is an amenable number.

16085257 is a deficient number, since it is larger than the sum of its proper divisors (739703).

16085257 is an equidigital number, since it uses as much as digits as its factorization.

16085257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1703.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 16085257 is about 4010.6429659096. The cubic root of 16085257 is about 252.4309885576.

The spelling of 16085257 in words is "sixteen million, eighty-five thousand, two hundred fifty-seven".