68006775165188 has 24 divisors (see below), whose sum is σ = 120032882975712. Its totient is φ = 33712296496704.

The previous prime is 68006775165187. The next prime is 68006775165209. The reversal of 68006775165188 is 88156157760086.

It is not an unprimeable number, because it can be changed into a prime (68006775165187) 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, 78412406 + ... + 79274957.

It is an arithmetic number, because the mean of its divisors is an integer number (5001370123988).

Almost surely, 2^{68006775165188} is an apocalyptic number.

It is an amenable number.

68006775165188 is a deficient number, since it is larger than the sum of its proper divisors (52026107810524).

68006775165188 is a wasteful number, since it uses less digits than its factorization.

68006775165188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157688291 (or 157688289 counting only the distinct ones).

The product of its (nonzero) digits is 135475200, while the sum is 68.

The spelling of 68006775165188 in words is "sixty-eight trillion, six billion, seven hundred seventy-five million, one hundred sixty-five thousand, one hundred eighty-eight".