268558303855862 has 4 divisors (see below), whose sum is σ = 402837455783796. Its totient is φ = 134279151927930.

The previous prime is 268558303855861. The next prime is 268558303855871.

268558303855862 is nontrivially palindromic in base 10.

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

It is a self number, because there is not a number n which added to its sum of digits gives 268558303855862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268558303855861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67139575963964 + ... + 67139575963967.

It is an arithmetic number, because the mean of its divisors is an integer number (100709363945949).

Almost surely, 2^{268558303855862} is an apocalyptic number.

268558303855862 is a deficient number, since it is larger than the sum of its proper divisors (134279151927934).

268558303855862 is a wasteful number, since it uses less digits than its factorization.

268558303855862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134279151927933.

The product of its (nonzero) digits is 3317760000, while the sum is 74.

The spelling of 268558303855862 in words is "two hundred sixty-eight trillion, five hundred fifty-eight billion, three hundred three million, eight hundred fifty-five thousand, eight hundred sixty-two".