1816066 has 8 divisors (see below), whose sum is σ = 3113280. Its totient is φ = 778308.

The previous prime is 1816063. The next prime is 1816069. The reversal of 1816066 is 6606181.

It is an interprime number because it is at equal distance from previous prime (1816063) and next prime (1816069).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1816063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64846 + ... + 64873.

It is an arithmetic number, because the mean of its divisors is an integer number (389160).

2^1816066 is an apocalyptic number.

1816066 is a deficient number, since it is larger than the sum of its proper divisors (1297214).

1816066 is a wasteful number, since it uses less digits than its factorization.

1816066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129728.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 1816066 is about 1347.6149301637. The cubic root of 1816066 is about 122.0048820048.

The spelling of 1816066 in words is "one million, eight hundred sixteen thousand, sixty-six".