255163667 has 4 divisors (see below), whose sum is σ = 278360376. Its totient is φ = 231966960.

The previous prime is 255163661. The next prime is 255163687. The reversal of 255163667 is 766361552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 255163667 - 2⁸ = 255163411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255163661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11598338 + ... + 11598359.

It is an arithmetic number, because the mean of its divisors is an integer number (69590094).

Almost surely, 2^255163667 is an apocalyptic number.

255163667 is a deficient number, since it is larger than the sum of its proper divisors (23196709).

255163667 is a wasteful number, since it uses less digits than its factorization.

255163667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23196708.

The product of its digits is 226800, while the sum is 41.

The square root of 255163667 is about 15973.8432132033. The cubic root of 255163667 is about 634.2682102494.

The spelling of 255163667 in words is "two hundred fifty-five million, one hundred sixty-three thousand, six hundred sixty-seven".