67868563326 has 16 divisors (see below), whose sum is σ = 138893804544. Its totient is φ = 22096741464.

The previous prime is 67868563297. The next prime is 67868563337. The reversal of 67868563326 is 62336586876.

It is a happy number.

It is a super-2 number, since 2×67868563326² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 67868563326.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131527966 + ... + 131528481.

It is an arithmetic number, because the mean of its divisors is an integer number (8680862784).

Almost surely, 2^67868563326 is an apocalyptic number.

67868563326 is an abundant number, since it is smaller than the sum of its proper divisors (71025241218).

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

67868563326 is a wasteful number, since it uses less digits than its factorization.

67868563326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263056495.

The product of its digits is 52254720, while the sum is 60.

The spelling of 67868563326 in words is "sixty-seven billion, eight hundred sixty-eight million, five hundred sixty-three thousand, three hundred twenty-six".