68207108324 has 6 divisors (see below), whose sum is σ = 119362439574. Its totient is φ = 34103554160.

The previous prime is 68207108323. The next prime is 68207108351. The reversal of 68207108324 is 42380170286.

It can be written as a sum of positive squares in only one way, i.e., 67143174400 + 1063933924 = 259120^2 + 32618^2 .

It is not an unprimeable number, because it can be changed into a prime (68207108323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8525888537 + ... + 8525888544.

It is an arithmetic number, because the mean of its divisors is an integer number (19893739929).

Almost surely, 2^68207108324 is an apocalyptic number.

It is an amenable number.

68207108324 is a deficient number, since it is larger than the sum of its proper divisors (51155331250).

68207108324 is a wasteful number, since it uses less digits than its factorization.

68207108324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17051777085 (or 17051777083 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The spelling of 68207108324 in words is "sixty-eight billion, two hundred seven million, one hundred eight thousand, three hundred twenty-four".