16853503850 has 24 divisors (see below), whose sum is σ = 32076533280. Its totient is φ = 6584623920.

The previous prime is 16853503841. The next prime is 16853503859. The reversal of 16853503850 is 5830535861.

It is an interprime number because it is at equal distance from previous prime (16853503841) and next prime (16853503859).

It is not an unprimeable number, because it can be changed into a prime (16853503859) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3917270 + ... + 3921569.

It is an arithmetic number, because the mean of its divisors is an integer number (1336522220).

Almost surely, 2^16853503850 is an apocalyptic number.

16853503850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16853503850 is a deficient number, since it is larger than the sum of its proper divisors (15223029430).

16853503850 is a wasteful number, since it uses less digits than its factorization.

16853503850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7838894 (or 7838889 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 44.

The spelling of 16853503850 in words is "sixteen billion, eight hundred fifty-three million, five hundred three thousand, eight hundred fifty".