16819056 has 40 divisors (see below), whose sum is σ = 48278160. Its totient is φ = 5606208.

The previous prime is 16819051. The next prime is 16819057. The reversal of 16819056 is 65091861.

It is a super-2 number, since 2×16819056² = 565761289462272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 16819056.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19035 + ... + 19898.

It is an arithmetic number, because the mean of its divisors is an integer number (1206954).

Almost surely, 2^16819056 is an apocalyptic number.

16819056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16819056 is an abundant number, since it is smaller than the sum of its proper divisors (31459104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16819056 is a wasteful number, since it uses less digits than its factorization.

16819056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38950 (or 38938 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 16819056 is about 4101.1042415428. The cubic root of 16819056 is about 256.2126325841.

The spelling of 16819056 in words is "sixteen million, eight hundred nineteen thousand, fifty-six".