561163024 has 20 divisors (see below), whose sum is σ = 1144477840. Its totient is φ = 265813920.

The previous prime is 561163019. The next prime is 561163027. The reversal of 561163024 is 420361165.

It is a junction number, because it is equal to n+sod(n) for n = 561162983 and 561163001.

It is not an unprimeable number, because it can be changed into a prime (561163027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 922662 + ... + 923269.

It is an arithmetic number, because the mean of its divisors is an integer number (57223892).

Almost surely, 2^561163024 is an apocalyptic number.

It is an amenable number.

561163024 is an abundant number, since it is smaller than the sum of its proper divisors (583314816).

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

561163024 is a wasteful number, since it uses less digits than its factorization.

561163024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845958 (or 1845952 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 561163024 is about 23688.8797540112. The cubic root of 561163024 is about 824.8272789321.

It can be divided in two parts, 5611 and 63024, that added together give a triangular number (68635 = T₃₇₀).

The spelling of 561163024 in words is "five hundred sixty-one million, one hundred sixty-three thousand, twenty-four".