1601536 has 52 divisors (see below), whose sum is σ = 3538512. Its totient is φ = 720896.

The previous prime is 1601533. The next prime is 1601543. The reversal of 1601536 is 6351061.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69621 + ... + 69643.

2^1601536 is an apocalyptic number.

1601536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1601536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1769256).

1601536 is an abundant number, since it is smaller than the sum of its proper divisors (1936976).

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

1601536 is an equidigital number, since it uses as much as digits as its factorization.

1601536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64 (or 42 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1601536 is about 1265.5180757303. The cubic root of 1601536 is about 116.9981249852.

Adding to 1601536 its reverse (6351061), we get a palindrome (7952597).

The spelling of 1601536 in words is "one million, six hundred one thousand, five hundred thirty-six".