68355978182 has 8 divisors (see below), whose sum is σ = 103591018776. Its totient is φ = 33825638592.

The previous prime is 68355978169. The next prime is 68355978209. The reversal of 68355978182 is 28187955386.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176175008 + ... + 176175395.

It is an arithmetic number, because the mean of its divisors is an integer number (12948877347).

Almost surely, 2^68355978182 is an apocalyptic number.

68355978182 is a deficient number, since it is larger than the sum of its proper divisors (35235040594).

68355978182 is a wasteful number, since it uses less digits than its factorization.

68355978182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352350502.

The product of its digits is 29030400, while the sum is 62.

The spelling of 68355978182 in words is "sixty-eight billion, three hundred fifty-five million, nine hundred seventy-eight thousand, one hundred eighty-two".