255686492160 has 1200 divisors, whose sum is σ = 1041380347392. Its totient is φ = 59454259200.

The previous prime is 255686492137. The next prime is 255686492177. The reversal of 255686492160 is 61294686552.

255686492160 is a `hidden beast` number, since 2 + 5 + 568 + 64 + 9 + 2 + 16 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 255686492097 and 255686492106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2262712264 + ... + 2262712376.

Almost surely, 2^255686492160 is an apocalyptic number.

255686492160 is a gapful number since it is divisible by the number (20) 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 255686492160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (520690173696).

255686492160 is an abundant number, since it is smaller than the sum of its proper divisors (785693855232).

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

255686492160 is a wasteful number, since it uses less digits than its factorization.

255686492160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 54.

The spelling of 255686492160 in words is "two hundred fifty-five billion, six hundred eighty-six million, four hundred ninety-two thousand, one hundred sixty".