16850016685185 has 16 divisors (see below), whose sum is σ = 28132201770624. Its totient is φ = 8595950540672.

The previous prime is 16850016685171. The next prime is 16850016685247. The reversal of 16850016685185 is 58158661005861.

It is a cyclic number.

It is not a de Polignac number, because 16850016685185 - 2¹³ = 16850016676993 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24420313692 + ... + 24420314381.

It is an arithmetic number, because the mean of its divisors is an integer number (1758262610664).

Almost surely, 2^{16850016685185} is an apocalyptic number.

16850016685185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16850016685185 is a deficient number, since it is larger than the sum of its proper divisors (11282185085439).

16850016685185 is a wasteful number, since it uses less digits than its factorization.

16850016685185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48840628104.

The product of its (nonzero) digits is 13824000, while the sum is 60.

It can be divided in two parts, 1685001 and 6685185, that added together give a triangular number (8370186 = T₄₀₉₁).

The spelling of 16850016685185 in words is "sixteen trillion, eight hundred fifty billion, sixteen million, six hundred eighty-five thousand, one hundred eighty-five".