68115021662 has 8 divisors (see below), whose sum is σ = 102475716096. Its totient is φ = 33956449632.

The previous prime is 68115021661. The next prime is 68115021673. The reversal of 68115021662 is 26612051186.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68115021661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50529758 + ... + 50531105.

It is an arithmetic number, because the mean of its divisors is an integer number (12809464512).

Almost surely, 2^68115021662 is an apocalyptic number.

68115021662 is a deficient number, since it is larger than the sum of its proper divisors (34360694434).

68115021662 is a wasteful number, since it uses less digits than its factorization.

68115021662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101061202.

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 68115021662 in words is "sixty-eight billion, one hundred fifteen million, twenty-one thousand, six hundred sixty-two".