68322866822091 has 36 divisors (see below), whose sum is σ = 114801591025992. Its totient is φ = 39041439744384.

The previous prime is 68322866822057. The next prime is 68322866822099. The reversal of 68322866822091 is 19022866822386.

68322866822091 is a `hidden beast` number, since 6 + 8 + 322 + 86 + 6 + 8 + 220 + 9 + 1 = 666.

It is not a de Polignac number, because 68322866822091 - 2¹⁷ = 68322866691019 is a prime.

It is a super-2 number, since 2×68322866822091² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (68322866822099) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 169108275 + ... + 169511811.

Almost surely, 2^{68322866822091} is an apocalyptic number.

68322866822091 is a deficient number, since it is larger than the sum of its proper divisors (46478724203901).

68322866822091 is a wasteful number, since it uses less digits than its factorization.

68322866822091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787480 (or 787470 counting only the distinct ones).

The product of its (nonzero) digits is 47775744, while the sum is 63.

The spelling of 68322866822091 in words is "sixty-eight trillion, three hundred twenty-two billion, eight hundred sixty-six million, eight hundred twenty-two thousand, ninety-one".