16838855 has 16 divisors (see below), whose sum is σ = 22163328. Its totient is φ = 12180000.

The previous prime is 16838851. The next prime is 16838863. The reversal of 16838855 is 55883861.

It is not a de Polignac number, because 16838855 - 2² = 16838851 is a prime.

It is a super-2 number, since 2×16838855² = 567094075422050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16838851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10880 + ... + 12330.

It is an arithmetic number, because the mean of its divisors is an integer number (1385208).

Almost surely, 2^16838855 is an apocalyptic number.

16838855 is a deficient number, since it is larger than the sum of its proper divisors (5324473).

16838855 is a wasteful number, since it uses less digits than its factorization.

16838855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678.

The product of its digits is 230400, while the sum is 44.

The square root of 16838855 is about 4103.5173936515. The cubic root of 16838855 is about 256.3131290033.

The spelling of 16838855 in words is "sixteen million, eight hundred thirty-eight thousand, eight hundred fifty-five".