268618109706 has 64 divisors (see below), whose sum is σ = 606763238400. Its totient is φ = 88068336048.

The previous prime is 268618109701. The next prime is 268618109737. The reversal of 268618109706 is 607901816862.

268618109706 is a `hidden beast` number, since 2 + 6 + 8 + 618 + 10 + 9 + 7 + 0 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (268618109701) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2327931 + ... + 2440593.

It is an arithmetic number, because the mean of its divisors is an integer number (9480675600).

Almost surely, 2^268618109706 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 268618109706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303381619200).

268618109706 is an abundant number, since it is smaller than the sum of its proper divisors (338145128694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

268618109706 is a wasteful number, since it uses less digits than its factorization.

268618109706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113400 (or 113394 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The spelling of 268618109706 in words is "two hundred sixty-eight billion, six hundred eighteen million, one hundred nine thousand, seven hundred six".