68611349269680 has 960 divisors, whose sum is σ = 264654443888640. Its totient is φ = 14375105648640.

The previous prime is 68611349269651. The next prime is 68611349269709. The reversal of 68611349269680 is 8696294311686.

It is an interprime number because it is at equal distance from previous prime (68611349269651) and next prime (68611349269709).

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3824694151 + ... + 3824712089.

It is an arithmetic number, because the mean of its divisors is an integer number (275681712384).

Almost surely, 2^{68611349269680} is an apocalyptic number.

68611349269680 is a gapful number since it is divisible by the number (60) 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 68611349269680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132327221944320).

68611349269680 is an abundant number, since it is smaller than the sum of its proper divisors (196043094618960).

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

68611349269680 is a wasteful number, since it uses less digits than its factorization.

68611349269680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18150 (or 18113 counting only the distinct ones).

The product of its (nonzero) digits is 161243136, while the sum is 69.

The spelling of 68611349269680 in words is "sixty-eight trillion, six hundred eleven billion, three hundred forty-nine million, two hundred sixty-nine thousand, six hundred eighty".