654606471168 has 468 divisors, whose sum is σ = 2062439411760. Its totient is φ = 199950925824.

The previous prime is 654606471161. The next prime is 654606471179. The reversal of 654606471168 is 861174606456.

654606471168 is a `hidden beast` number, since 6 + 5 + 4 + 6 + 0 + 6 + 471 + 168 = 666.

It is a tau number, because it is divible by the number of its divisors (468).

It is not an unprimeable number, because it can be changed into a prime (654606471161) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1115172571 + ... + 1115173157.

It is an arithmetic number, because the mean of its divisors is an integer number (4406921820).

Almost surely, 2^654606471168 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 654606471168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1031219705880).

654606471168 is an abundant number, since it is smaller than the sum of its proper divisors (1407832940592).

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

654606471168 is a wasteful number, since it uses less digits than its factorization.

654606471168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822 (or 784 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 654606471168 in words is "six hundred fifty-four billion, six hundred six million, four hundred seventy-one thousand, one hundred sixty-eight".