16855801935 has 32 divisors (see below), whose sum is σ = 30829550592. Its totient is φ = 7703631360.

The previous prime is 16855801927. The next prime is 16855801997. The reversal of 16855801935 is 53910855861.

It is a happy number.

It is not a de Polignac number, because 16855801935 - 2³ = 16855801927 is a prime.

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 471750 + ... + 506220.

It is an arithmetic number, because the mean of its divisors is an integer number (963423456).

Almost surely, 2^16855801935 is an apocalyptic number.

16855801935 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16855801935 is a deficient number, since it is larger than the sum of its proper divisors (13973748657).

16855801935 is a wasteful number, since it uses less digits than its factorization.

16855801935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39143.

The product of its (nonzero) digits is 1296000, while the sum is 51.

The spelling of 16855801935 in words is "sixteen billion, eight hundred fifty-five million, eight hundred one thousand, nine hundred thirty-five".