16122855 has 32 divisors (see below), whose sum is σ = 29804544. Its totient is φ = 7289856.

The previous prime is 16122829. The next prime is 16122857. The reversal of 16122855 is 55822161.

It is not a de Polignac number, because 16122855 - 2⁵ = 16122823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16122857) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9394 + ... + 10976.

It is an arithmetic number, because the mean of its divisors is an integer number (931392).

Almost surely, 2^16122855 is an apocalyptic number.

16122855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16122855 is a deficient number, since it is larger than the sum of its proper divisors (13681689).

16122855 is a wasteful number, since it uses less digits than its factorization.

16122855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695.

The product of its digits is 4800, while the sum is 30.

The square root of 16122855 is about 4015.3275084356. The cubic root of 16122855 is about 252.6275145888.

The spelling of 16122855 in words is "sixteen million, one hundred twenty-two thousand, eight hundred fifty-five".