655770060 has 192 divisors, whose sum is σ = 2268725760. Its totient is φ = 155900160.

The previous prime is 655769999. The next prime is 655770061. The reversal of 655770060 is 60077556.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 655769997 and 655770024.

It is not an unprimeable number, because it can be changed into a prime (655770061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 313779 + ... + 315861.

It is an arithmetic number, because the mean of its divisors is an integer number (11816280).

Almost surely, 2^655770060 is an apocalyptic number.

655770060 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 655770060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1134362880).

655770060 is an abundant number, since it is smaller than the sum of its proper divisors (1612955700).

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

655770060 is a wasteful number, since it uses less digits than its factorization.

655770060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2165 (or 2157 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 36.

The square root of 655770060 is about 25608.0077319576. The cubic root of 655770060 is about 868.7947639408.

The spelling of 655770060 in words is "six hundred fifty-five million, seven hundred seventy thousand, sixty".