16819055 has 16 divisors (see below), whose sum is σ = 22110624. Its totient is φ = 12180480.

The previous prime is 16819051. The next prime is 16819057. The reversal of 16819055 is 55091861.

It is not a de Polignac number, because 16819055 - 2² = 16819051 is a prime.

It is a super-2 number, since 2×16819055² = 565761222186050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16819051) 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, 16727 + ... + 17703.

It is an arithmetic number, because the mean of its divisors is an integer number (1381914).

Almost surely, 2^16819055 is an apocalyptic number.

16819055 is a deficient number, since it is larger than the sum of its proper divisors (5291569).

16819055 is a wasteful number, since it uses less digits than its factorization.

16819055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306.

The product of its (nonzero) digits is 10800, while the sum is 35.

The square root of 16819055 is about 4101.1041196244. The cubic root of 16819055 is about 256.2126275063.

The spelling of 16819055 in words is "sixteen million, eight hundred nineteen thousand, fifty-five".