68630670773226 has 48 divisors (see below), whose sum is σ = 158246055591624. Its totient is φ = 21421895427072.

The previous prime is 68630670773191. The next prime is 68630670773251. The reversal of 68630670773226 is 62237707603686.

It can be written as a sum of positive squares in 4 ways, for example, as 67426285245201 + 1204385528025 = 8211351^2 + 1097445^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 569186515 + ... + 569307078.

Almost surely, 2^{68630670773226} is an apocalyptic number.

68630670773226 is an abundant number, since it is smaller than the sum of its proper divisors (89615384818398).

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

68630670773226 is a wasteful number, since it uses less digits than its factorization.

68630670773226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138493815 (or 1138493812 counting only the distinct ones).

The product of its (nonzero) digits is 128024064, while the sum is 63.

The spelling of 68630670773226 in words is "sixty-eight trillion, six hundred thirty billion, six hundred seventy million, seven hundred seventy-three thousand, two hundred twenty-six".