566161530 has 128 divisors (see below), whose sum is σ = 1529819136. Its totient is φ = 132921600.

The previous prime is 566161517. The next prime is 566161553. The reversal of 566161530 is 35161665.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 566161491 and 566161500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2683125 + ... + 2683335.

It is an arithmetic number, because the mean of its divisors is an integer number (11951712).

Almost surely, 2^566161530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 566161530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (764909568).

566161530 is an abundant number, since it is smaller than the sum of its proper divisors (963657606).

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

566161530 is a wasteful number, since it uses less digits than its factorization.

566161530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 566161530 is about 23794.1490707275. The cubic root of 566161530 is about 827.2690666058.

The spelling of 566161530 in words is "five hundred sixty-six million, one hundred sixty-one thousand, five hundred thirty".