268686612 has 48 divisors (see below), whose sum is σ = 713596800. Its totient is φ = 87376320.

The previous prime is 268686599. The next prime is 268686623. The reversal of 268686612 is 216686862.

268686612 is a `hidden beast` number, since 26 + 8 + 6 + 8 + 6 + 612 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25912 + ... + 34767.

It is an arithmetic number, because the mean of its divisors is an integer number (14866600).

Almost surely, 2^268686612 is an apocalyptic number.

It is an amenable number.

268686612 is an abundant number, since it is smaller than the sum of its proper divisors (444910188).

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

268686612 is a wasteful number, since it uses less digits than its factorization.

268686612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60733 (or 60725 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 268686612 is about 16391.6628808672. The cubic root of 268686612 is about 645.2806998895.

It can be divided in two parts, 2686 and 86612, that added together give a palindrome (89298).

The spelling of 268686612 in words is "two hundred sixty-eight million, six hundred eighty-six thousand, six hundred twelve".