1618056 has 80 divisors (see below), whose sum is σ = 4965840. Its totient is φ = 488160.

The previous prime is 1618051. The next prime is 1618079. The reversal of 1618056 is 6508161.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1618051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7015 + ... + 7241.

It is an arithmetic number, because the mean of its divisors is an integer number (62073).

2^1618056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1618056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2482920).

1618056 is an abundant number, since it is smaller than the sum of its proper divisors (3347784).

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

1618056 is a wasteful number, since it uses less digits than its factorization.

1618056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1618056 is about 1272.0283015719. The cubic root of 1618056 is about 117.3990320195.

The spelling of 1618056 in words is "one million, six hundred eighteen thousand, fifty-six".