68350166739 has 10 divisors (see below), whose sum is σ = 102103335620. Its totient is φ = 45566777772.

The previous prime is 68350166713. The next prime is 68350166771. The reversal of 68350166739 is 93766105386.

68350166739 is a `hidden beast` number, since 6 + 8 + 3 + 501 + 66 + 73 + 9 = 666.

It is not a de Polignac number, because 68350166739 - 2⁷ = 68350166611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68350166789) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 421914529 + ... + 421914690.

It is an arithmetic number, because the mean of its divisors is an integer number (10210333562).

Almost surely, 2^68350166739 is an apocalyptic number.

68350166739 is a deficient number, since it is larger than the sum of its proper divisors (33753168881).

68350166739 is an equidigital number, since it uses as much as digits as its factorization.

68350166739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843829231 (or 843829222 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 68350166739 in words is "sixty-eight billion, three hundred fifty million, one hundred sixty-six thousand, seven hundred thirty-nine".