654708068352 has 832 divisors, whose sum is σ = 2219354726400. Its totient is φ = 189262725120.

The previous prime is 654708068351. The next prime is 654708068363. The reversal of 654708068352 is 253860807456.

654708068352 is a `hidden beast` number, since 6 + 5 + 470 + 80 + 68 + 35 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (832).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654708068351) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1709420353 + ... + 1709420735.

Almost surely, 2^654708068352 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 654708068352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1109677363200).

654708068352 is an abundant number, since it is smaller than the sum of its proper divisors (1564646658048).

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

654708068352 is a wasteful number, since it uses less digits than its factorization.

654708068352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499 (or 471 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 54.

The spelling of 654708068352 in words is "six hundred fifty-four billion, seven hundred eight million, sixty-eight thousand, three hundred fifty-two".