268806147 has 16 divisors (see below), whose sum is σ = 371754912. Its totient is φ = 172627200.

The previous prime is 268806143. The next prime is 268806163. The reversal of 268806147 is 741608862.

It is not a de Polignac number, because 268806147 - 2² = 268806143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 268806099 and 268806108.

It is not an unprimeable number, because it can be changed into a prime (268806143) 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, 778 + ... + 23199.

It is an arithmetic number, because the mean of its divisors is an integer number (23234682).

Almost surely, 2^268806147 is an apocalyptic number.

268806147 is a deficient number, since it is larger than the sum of its proper divisors (102948765).

268806147 is a wasteful number, since it uses less digits than its factorization.

268806147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24118.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 268806147 is about 16395.3086887683. The cubic root of 268806147 is about 645.3763778891.

It can be divided in two parts, 26 and 8806147, that multiplied together give a palindrome (228959822).

The spelling of 268806147 in words is "two hundred sixty-eight million, eight hundred six thousand, one hundred forty-seven".