655973753632 has 96 divisors (see below), whose sum is σ = 1400165222400. Its totient is φ = 301583428608.

The previous prime is 655973753629. The next prime is 655973753641. The reversal of 655973753632 is 236357379556.

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, 4820673 + ... + 4954879.

It is an arithmetic number, because the mean of its divisors is an integer number (14585054400).

Almost surely, 2^655973753632 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 655973753632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (700082611200).

655973753632 is an abundant number, since it is smaller than the sum of its proper divisors (744191468768).

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

655973753632 is a wasteful number, since it uses less digits than its factorization.

655973753632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134498 (or 134490 counting only the distinct ones).

The product of its digits is 107163000, while the sum is 61.

The spelling of 655973753632 in words is "six hundred fifty-five billion, nine hundred seventy-three million, seven hundred fifty-three thousand, six hundred thirty-two".