16850139 has 8 divisors (see below), whose sum is σ = 23014992. Its totient is φ = 10959360.

The previous prime is 16850129. The next prime is 16850149. The reversal of 16850139 is 93105861.

It is an interprime number because it is at equal distance from previous prime (16850129) and next prime (16850149).

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

It is not a de Polignac number, because 16850139 - 2⁴ = 16850123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16850129) 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 7 ways as a sum of consecutive naturals, for example, 68374 + ... + 68619.

It is an arithmetic number, because the mean of its divisors is an integer number (2876874).

Almost surely, 2^16850139 is an apocalyptic number.

16850139 is a deficient number, since it is larger than the sum of its proper divisors (6164853).

16850139 is a wasteful number, since it uses less digits than its factorization.

16850139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137037.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 16850139 is about 4104.8920814073. The cubic root of 16850139 is about 256.3703694657.

The spelling of 16850139 in words is "sixteen million, eight hundred fifty thousand, one hundred thirty-nine".