16850918425 has 24 divisors (see below), whose sum is σ = 22855947840. Its totient is φ = 12222283200.

The previous prime is 16850918423. The next prime is 16850918453. The reversal of 16850918425 is 52481905861.

16850918425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16850918425 - 2¹ = 16850918423 is a prime.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (16850918423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20436 + ... + 184714.

It is an arithmetic number, because the mean of its divisors is an integer number (952331160).

Almost surely, 2^16850918425 is an apocalyptic number.

It is an amenable number.

16850918425 is a deficient number, since it is larger than the sum of its proper divisors (6005029415).

16850918425 is a wasteful number, since it uses less digits than its factorization.

16850918425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164673 (or 164668 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 49.

The spelling of 16850918425 in words is "sixteen billion, eight hundred fifty million, nine hundred eighteen thousand, four hundred twenty-five".