655892160 has 448 divisors, whose sum is σ = 2738810880. Its totient is φ = 128839680.

The previous prime is 655892143. The next prime is 655892161. The reversal of 655892160 is 61298556.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (655892161) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1404247 + ... + 1404713.

Almost surely, 2^655892160 is an apocalyptic number.

655892160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 655892160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1369405440).

655892160 is an abundant number, since it is smaller than the sum of its proper divisors (2082918720).

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

655892160 is a wasteful number, since it uses less digits than its factorization.

655892160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524 (or 514 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 655892160 is about 25610.3916408945. The cubic root of 655892160 is about 868.8486818531.

The spelling of 655892160 in words is "six hundred fifty-five million, eight hundred ninety-two thousand, one hundred sixty".