16016257 has 4 divisors (see below), whose sum is σ = 16712640. Its totient is φ = 15319876.

The previous prime is 16016249. The next prime is 16016263. The reversal of 16016257 is 75261061.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16016257 - 2³ = 16016249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16016267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348157 + ... + 348202.

It is an arithmetic number, because the mean of its divisors is an integer number (4178160).

Almost surely, 2^16016257 is an apocalyptic number.

It is an amenable number.

16016257 is a deficient number, since it is larger than the sum of its proper divisors (696383).

16016257 is an equidigital number, since it uses as much as digits as its factorization.

16016257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696382.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 16016257 is about 4002.0316090706. The cubic root of 16016257 is about 252.0695249925.

The spelling of 16016257 in words is "sixteen million, sixteen thousand, two hundred fifty-seven".