1600056 has 48 divisors (see below), whose sum is σ = 4408560. Its totient is φ = 524160.

The previous prime is 1600051. The next prime is 1600061. The reversal of 1600056 is 6500061.

It is an interprime number because it is at equal distance from previous prime (1600051) and next prime (1600061).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1600051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4956 + ... + 5268.

It is an arithmetic number, because the mean of its divisors is an integer number (91845).

2^1600056 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 1600056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2204280).

1600056 is an abundant number, since it is smaller than the sum of its proper divisors (2808504).

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

1600056 is a wasteful number, since it uses less digits than its factorization.

1600056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1600056 is about 1264.9331998173. The cubic root of 1600056 is about 116.9620740542.

The spelling of 1600056 in words is "one million, six hundred thousand, fifty-six".