16255905 has 16 divisors (see below), whose sum is σ = 26185344. Its totient is φ = 8611200.

The previous prime is 16255903. The next prime is 16255919. The reversal of 16255905 is 50955261.

It is not a de Polignac number, because 16255905 - 2¹ = 16255903 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16255903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1324 + ... + 5853.

It is an arithmetic number, because the mean of its divisors is an integer number (1636584).

Almost surely, 2^16255905 is an apocalyptic number.

16255905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16255905 is a deficient number, since it is larger than the sum of its proper divisors (9929439).

16255905 is a wasteful number, since it uses less digits than its factorization.

16255905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7336.

The product of its (nonzero) digits is 13500, while the sum is 33.

The square root of 16255905 is about 4031.8612327311. The cubic root of 16255905 is about 253.3205277845.

The spelling of 16255905 in words is "sixteen million, two hundred fifty-five thousand, nine hundred five".