561179696 has 160 divisors (see below), whose sum is σ = 1424908800. Its totient is φ = 207728640.

The previous prime is 561179659. The next prime is 561179699. The reversal of 561179696 is 696971165.

It is not an unprimeable number, because it can be changed into a prime (561179699) 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 31 ways as a sum of consecutive naturals, for example, 4037195 + ... + 4037333.

It is an arithmetic number, because the mean of its divisors is an integer number (8905680).

Almost surely, 2^561179696 is an apocalyptic number.

561179696 is a gapful number since it is divisible by the number (56) 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 561179696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (712454400).

561179696 is an abundant number, since it is smaller than the sum of its proper divisors (863729104).

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

561179696 is a wasteful number, since it uses less digits than its factorization.

561179696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307 (or 301 counting only the distinct ones).

The product of its digits is 612360, while the sum is 50.

The square root of 561179696 is about 23689.2316464676. The cubic root of 561179696 is about 824.8354473155.

The spelling of 561179696 in words is "five hundred sixty-one million, one hundred seventy-nine thousand, six hundred ninety-six".