654248366080 has 104 divisors (see below), whose sum is σ = 1571129405352. Its totient is φ = 261511839744.

The previous prime is 654248366039. The next prime is 654248366081. The reversal of 654248366080 is 80663842456.

It can be written as a sum of positive squares in 4 ways, for example, as 377959366656 + 276288999424 = 614784^2 + 525632^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654248366081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30565942 + ... + 30587338.

It is an arithmetic number, because the mean of its divisors is an integer number (15107013513).

Almost surely, 2^654248366080 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 654248366080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (785564702676).

654248366080 is an abundant number, since it is smaller than the sum of its proper divisors (916881039272).

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

654248366080 is a wasteful number, since it uses less digits than its factorization.

654248366080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22919 (or 22897 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 52.

The spelling of 654248366080 in words is "six hundred fifty-four billion, two hundred forty-eight million, three hundred sixty-six thousand, eighty".