655134318564 has 48 divisors (see below), whose sum is σ = 1670092737600. Its totient is φ = 198230538240.

The previous prime is 655134318547. The next prime is 655134318673. The reversal of 655134318564 is 465813431556.

It is a happy 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, 3598489 + ... + 3776160.

It is an arithmetic number, because the mean of its divisors is an integer number (34793598700).

Almost surely, 2^655134318564 is an apocalyptic number.

It is an amenable number.

655134318564 is an abundant number, since it is smaller than the sum of its proper divisors (1014958419036).

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

655134318564 is a wasteful number, since it uses less digits than its factorization.

655134318564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7375340 (or 7375338 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 51.

The spelling of 655134318564 in words is "six hundred fifty-five billion, one hundred thirty-four million, three hundred eighteen thousand, five hundred sixty-four".