255166500 has 48 divisors (see below), whose sum is σ = 743049216. Its totient is φ = 68044000.

The previous prime is 255166451. The next prime is 255166507. The reversal of 255166500 is 5661552.

255166500 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (255166507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83556 + ... + 86555.

It is an arithmetic number, because the mean of its divisors is an integer number (15480192).

Almost surely, 2^255166500 is an apocalyptic number.

255166500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255166500 is an abundant number, since it is smaller than the sum of its proper divisors (487882716).

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

255166500 is a wasteful number, since it uses less digits than its factorization.

255166500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170133 (or 170121 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 255166500 is about 15973.9318891749. The cubic root of 255166500 is about 634.2705575993.

The spelling of 255166500 in words is "two hundred fifty-five million, one hundred sixty-six thousand, five hundred".