255163641 has 8 divisors (see below), whose sum is σ = 343725984. Its totient is φ = 168355200.

The previous prime is 255163639. The next prime is 255163661. The reversal of 255163641 is 146361552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 255163641 - 2¹ = 255163639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255163621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438135 + ... + 438716.

It is an arithmetic number, because the mean of its divisors is an integer number (42965748).

Almost surely, 2^255163641 is an apocalyptic number.

It is an amenable number.

255163641 is a deficient number, since it is larger than the sum of its proper divisors (88562343).

255163641 is an equidigital number, since it uses as much as digits as its factorization.

255163641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876951.

The product of its digits is 21600, while the sum is 33.

The square root of 255163641 is about 15973.8423993728. The cubic root of 255163641 is about 634.2681887064.

The spelling of 255163641 in words is "two hundred fifty-five million, one hundred sixty-three thousand, six hundred forty-one".