655301856 has 192 divisors, whose sum is σ = 2007887616. Its totient is φ = 184934400.

The previous prime is 655301831. The next prime is 655301903. The reversal of 655301856 is 658103556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3105591 + ... + 3105801.

It is an arithmetic number, because the mean of its divisors is an integer number (10457748).

Almost surely, 2^655301856 is an apocalyptic number.

655301856 is a gapful number since it is divisible by the number (66) 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 655301856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1003943808).

655301856 is an abundant number, since it is smaller than the sum of its proper divisors (1352585760).

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

655301856 is a wasteful number, since it uses less digits than its factorization.

655301856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 39.

The square root of 655301856 is about 25598.8643498105. The cubic root of 655301856 is about 868.5879485464.

The spelling of 655301856 in words is "six hundred fifty-five million, three hundred one thousand, eight hundred fifty-six".