654654660552 has 24 divisors (see below), whose sum is σ = 1773023039190. Its totient is φ = 218218220160.

The previous prime is 654654660547. The next prime is 654654660581. The reversal of 654654660552 is 255066456456.

It is a happy number.

654654660552 is a `hidden beast` number, since 6 + 5 + 46 + 5 + 46 + 6 + 0 + 552 = 666.

It can be written as a sum of positive squares in only one way, i.e., 579538103076 + 75116557476 = 761274^2 + 274074^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4546212849 + ... + 4546212992.

Almost surely, 2^654654660552 is an apocalyptic number.

It is an amenable number.

654654660552 is an abundant number, since it is smaller than the sum of its proper divisors (1118368378638).

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

654654660552 is a wasteful number, since it uses less digits than its factorization.

654654660552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9092425853 (or 9092425846 counting only the distinct ones).

The product of its (nonzero) digits is 25920000, while the sum is 54.

The spelling of 654654660552 in words is "six hundred fifty-four billion, six hundred fifty-four million, six hundred sixty thousand, five hundred fifty-two".