68366466386 has 4 divisors (see below), whose sum is σ = 102549699582. Its totient is φ = 34183233192.

The previous prime is 68366466359. The next prime is 68366466409.

68366466386 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 63974090761 + 4392375625 = 252931^2 + 66275^2 .

It is a super-2 number, since 2×68366466386² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17091616595 + ... + 17091616598.

Almost surely, 2^68366466386 is an apocalyptic number.

68366466386 is a deficient number, since it is larger than the sum of its proper divisors (34183233196).

68366466386 is a wasteful number, since it uses less digits than its factorization.

68366466386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34183233195.

The product of its digits is 107495424, while the sum is 62.

The spelling of 68366466386 in words is "sixty-eight billion, three hundred sixty-six million, four hundred sixty-six thousand, three hundred eighty-six".