654251065552 has 80 divisors (see below), whose sum is σ = 1542080764800. Its totient is φ = 262651023360.

The previous prime is 654251065529. The next prime is 654251065577. The reversal of 654251065552 is 255560152456.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1537849 + ... + 1916632.

It is an arithmetic number, because the mean of its divisors is an integer number (19276009560).

Almost surely, 2^654251065552 is an apocalyptic number.

It is an amenable number.

654251065552 is an abundant number, since it is smaller than the sum of its proper divisors (887829699248).

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

654251065552 is a wasteful number, since it uses less digits than its factorization.

654251065552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3454604 (or 3454598 counting only the distinct ones).

The product of its (nonzero) digits is 1800000, while the sum is 46.

The spelling of 654251065552 in words is "six hundred fifty-four billion, two hundred fifty-one million, sixty-five thousand, five hundred fifty-two".