655376960 has 140 divisors (see below), whose sum is σ = 1822745148. Its totient is φ = 224437248.

The previous prime is 655376933. The next prime is 655376987. The reversal of 655376960 is 69673556.

It is an interprime number because it is at equal distance from previous prime (655376933) and next prime (655376987).

It can be written as a sum of positive squares in 2 ways, for example, as 120472576 + 534904384 = 10976^2 + 23128^2 .

It is a tau number, because it is divible by the number of its divisors (140).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 767894 + ... + 768746.

Almost surely, 2^655376960 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 655376960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (911372574).

655376960 is an abundant number, since it is smaller than the sum of its proper divisors (1167368188).

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

655376960 is an frugal number, since it uses more digits than its factorization.

655376960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898 (or 867 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 47.

The square root of 655376960 is about 25600.3312478569. The cubic root of 655376960 is about 868.6211301694.

The spelling of 655376960 in words is "six hundred fifty-five million, three hundred seventy-six thousand, nine hundred sixty".