255166464 has 192 divisors, whose sum is σ = 825552000. Its totient is φ = 68419584.

The previous prime is 255166451. The next prime is 255166507. The reversal of 255166464 is 464661552.

255166464 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (192).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 730962 + ... + 731310.

It is an arithmetic number, because the mean of its divisors is an integer number (4299750).

Almost surely, 2^255166464 is an apocalyptic number.

255166464 is a gapful number since it is divisible by the number (24) 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 255166464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (412776000).

255166464 is an abundant number, since it is smaller than the sum of its proper divisors (570385536).

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

255166464 is a wasteful number, since it uses less digits than its factorization.

255166464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398 (or 378 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

The square root of 255166464 is about 15973.9307623390. The cubic root of 255166464 is about 634.2705277707.

The spelling of 255166464 in words is "two hundred fifty-five million, one hundred sixty-six thousand, four hundred sixty-four".