16870259 has 6 divisors (see below), whose sum is σ = 19624644. Its totient is φ = 14460180.

The previous prime is 16870219. The next prime is 16870289. The reversal of 16870259 is 95207861.

It is not a de Polignac number, because 16870259 - 2¹² = 16866163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16870219) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 172097 + ... + 172194.

It is an arithmetic number, because the mean of its divisors is an integer number (3270774).

Almost surely, 2^16870259 is an apocalyptic number.

16870259 is a deficient number, since it is larger than the sum of its proper divisors (2754385).

16870259 is an equidigital number, since it uses as much as digits as its factorization.

16870259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344305 (or 344298 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 16870259 is about 4107.3420846090. The cubic root of 16870259 is about 256.4723690228.

The spelling of 16870259 in words is "sixteen million, eight hundred seventy thousand, two hundred fifty-nine".