68697154416 has 80 divisors (see below), whose sum is σ = 194156323200. Its totient is φ = 20757615360.

The previous prime is 68697154349. The next prime is 68697154417. The reversal of 68697154416 is 61445179686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68697154417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2130 + ... + 370673.

It is an arithmetic number, because the mean of its divisors is an integer number (2426954040).

Almost surely, 2^68697154416 is an apocalyptic number.

68697154416 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68697154416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97078161600).

68697154416 is an abundant number, since it is smaller than the sum of its proper divisors (125459168784).

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

68697154416 is a wasteful number, since it uses less digits than its factorization.

68697154416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373174 (or 373168 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 57.

The spelling of 68697154416 in words is "sixty-eight billion, six hundred ninety-seven million, one hundred fifty-four thousand, four hundred sixteen".