255165620 has 12 divisors (see below), whose sum is σ = 535847844. Its totient is φ = 102066240.

The previous prime is 255165613. The next prime is 255165637. The reversal of 255165620 is 26561552.

255165620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 186540964 + 68624656 = 13658^2 + 8284^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6379121 + ... + 6379160.

It is an arithmetic number, because the mean of its divisors is an integer number (44653987).

Almost surely, 2^255165620 is an apocalyptic number.

255165620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255165620 is an abundant number, since it is smaller than the sum of its proper divisors (280682224).

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

255165620 is a wasteful number, since it uses less digits than its factorization.

255165620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12758290 (or 12758288 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 255165620 is about 15973.9043442735. The cubic root of 255165620 is about 634.2698284561.

The spelling of 255165620 in words is "two hundred fifty-five million, one hundred sixty-five thousand, six hundred twenty".