573661363968 has 432 divisors, whose sum is σ = 2131058702080. Its totient is φ = 149001431040.

The previous prime is 573661363823. The next prime is 573661363999. The reversal of 573661363968 is 869363166375.

It is a happy number.

573661363968 is a `hidden beast` number, since 5 + 7 + 3 + 6 + 613 + 6 + 3 + 9 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (432).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5805471 + ... + 5903457.

Almost surely, 2^573661363968 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 573661363968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1065529351040).

573661363968 is an abundant number, since it is smaller than the sum of its proper divisors (1557397338112).

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

573661363968 is a wasteful number, since it uses less digits than its factorization.

573661363968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98041 (or 98010 counting only the distinct ones).

The product of its digits is 88179840, while the sum is 63.

The spelling of 573661363968 in words is "five hundred seventy-three billion, six hundred sixty-one million, three hundred sixty-three thousand, nine hundred sixty-eight".