655506892320 has 576 divisors, whose sum is σ = 2581321115520. Its totient is φ = 138906206208.

The previous prime is 655506892219. The next prime is 655506892357. The reversal of 655506892320 is 23298605556.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 26777046 + ... + 26801514.

It is an arithmetic number, because the mean of its divisors is an integer number (4481460270).

Almost surely, 2^655506892320 is an apocalyptic number.

655506892320 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 655506892320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1290660557760).

655506892320 is an abundant number, since it is smaller than the sum of its proper divisors (1925814223200).

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

655506892320 is a wasteful number, since it uses less digits than its factorization.

655506892320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24585 (or 24570 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 51.

The spelling of 655506892320 in words is "six hundred fifty-five billion, five hundred six million, eight hundred ninety-two thousand, three hundred twenty".