1566252032 has 88 divisors (see below), whose sum is σ = 3268878864. Its totient is φ = 749371392.

The previous prime is 1566252031. The next prime is 1566252047. The reversal of 1566252032 is 2302526651.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 1566252032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1566252031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2538188 + ... + 2538804.

Almost surely, 2^1566252032 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 1566252032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1634439432).

1566252032 is an abundant number, since it is smaller than the sum of its proper divisors (1702626832).

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

1566252032 is an equidigital number, since it uses as much as digits as its factorization.

1566252032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741 (or 723 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 1566252032 is about 39575.9021628061. The cubic root of 1566252032 is about 1161.3252867253.

Adding to 1566252032 its reverse (2302526651), we get a palindrome (3868778683).

The spelling of 1566252032 in words is "one billion, five hundred sixty-six million, two hundred fifty-two thousand, thirty-two".