255616126 has 4 divisors (see below), whose sum is σ = 383424192. Its totient is φ = 127808062.

The previous prime is 255616103. The next prime is 255616129. The reversal of 255616126 is 621616552.

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

It is a junction number, because it is equal to n+sod(n) for n = 255616091 and 255616100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255616129) 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 as a sum of consecutive naturals, namely, 63904030 + ... + 63904033.

It is an arithmetic number, because the mean of its divisors is an integer number (95856048).

Almost surely, 2^255616126 is an apocalyptic number.

255616126 is a deficient number, since it is larger than the sum of its proper divisors (127808066).

255616126 is a wasteful number, since it uses less digits than its factorization.

255616126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127808065.

The product of its digits is 21600, while the sum is 34.

The square root of 255616126 is about 15987.9994370778. Note that the first 3 decimals coincide. The cubic root of 255616126 is about 634.6428859818.

The spelling of 255616126 in words is "two hundred fifty-five million, six hundred sixteen thousand, one hundred twenty-six".