68496717016 has 192 divisors, whose sum is σ = 172705841280. Its totient is φ = 25151938560.

The previous prime is 68496716909. The next prime is 68496717019. The reversal of 68496717016 is 61071769486.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68496717019) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6318721 + ... + 6329551.

It is an arithmetic number, because the mean of its divisors is an integer number (899509590).

Almost surely, 2^68496717016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68496717016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86352920640).

68496717016 is an abundant number, since it is smaller than the sum of its proper divisors (104209124264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68496717016 is a wasteful number, since it uses less digits than its factorization.

68496717016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10954 (or 10943 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 55.

The spelling of 68496717016 in words is "sixty-eight billion, four hundred ninety-six million, seven hundred seventeen thousand, sixteen".