68178178541 has 24 divisors (see below), whose sum is σ = 75936722400. Its totient is φ = 61160871200.

The previous prime is 68178178483. The next prime is 68178178561. The reversal of 68178178541 is 14587187186.

It is not a de Polignac number, because 68178178541 - 2¹⁰ = 68178177517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68178178561) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2825315 + ... + 2849343.

It is an arithmetic number, because the mean of its divisors is an integer number (3164030100).

Almost surely, 2^68178178541 is an apocalyptic number.

It is an amenable number.

68178178541 is a deficient number, since it is larger than the sum of its proper divisors (7758543859).

68178178541 is a wasteful number, since it uses less digits than its factorization.

68178178541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24361 (or 24350 counting only the distinct ones).

The product of its digits is 3010560, while the sum is 56.

The spelling of 68178178541 in words is "sixty-eight billion, one hundred seventy-eight million, one hundred seventy-eight thousand, five hundred forty-one".