68146865177 has 8 divisors (see below), whose sum is σ = 69598388160. Its totient is φ = 66701480560.

The previous prime is 68146865141. The next prime is 68146865191. The reversal of 68146865177 is 77156864186.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68146865177 - 2²⁶ = 68079756313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68146865377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1512149 + ... + 1556562.

It is an arithmetic number, because the mean of its divisors is an integer number (8699798520).

Almost surely, 2^68146865177 is an apocalyptic number.

It is an amenable number.

68146865177 is a deficient number, since it is larger than the sum of its proper divisors (1451522983).

68146865177 is a wasteful number, since it uses less digits than its factorization.

68146865177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3069183.

The product of its digits is 13547520, while the sum is 59.

Subtracting 68146865177 from its reverse (77156864186), we obtain a palindrome (9009999009).

The spelling of 68146865177 in words is "sixty-eight billion, one hundred forty-six million, eight hundred sixty-five thousand, one hundred seventy-seven".