563161500 has 288 divisors, whose sum is σ = 2006065152. Its totient is φ = 131760000.

The previous prime is 563161483. The next prime is 563161513. The reversal of 563161500 is 5161365.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1534317 + ... + 1534683.

It is an arithmetic number, because the mean of its divisors is an integer number (6965504).

Almost surely, 2^563161500 is an apocalyptic number.

563161500 is a gapful number since it is divisible by the number (50) 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 563161500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1003032576).

563161500 is an abundant number, since it is smaller than the sum of its proper divisors (1442903652).

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

563161500 is a wasteful number, since it uses less digits than its factorization.

563161500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434 (or 419 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 563161500 is about 23731.0239981338. The cubic root of 563161500 is about 825.8052743300.

The spelling of 563161500 in words is "five hundred sixty-three million, one hundred sixty-one thousand, five hundred".