68549103216 has 240 divisors, whose sum is σ = 220327540992. Its totient is φ = 19692288000.

The previous prime is 68549103197. The next prime is 68549103223. The reversal of 68549103216 is 61230194586.

68549103216 is a `hidden beast` number, since 68 + 549 + 1 + 0 + 32 + 16 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4108491 + ... + 4125141.

Almost surely, 2^68549103216 is an apocalyptic number.

68549103216 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 68549103216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110163770496).

68549103216 is an abundant number, since it is smaller than the sum of its proper divisors (151778437776).

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

68549103216 is a wasteful number, since it uses less digits than its factorization.

68549103216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16812 (or 16803 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 68549103216 in words is "sixty-eight billion, five hundred forty-nine million, one hundred three thousand, two hundred sixteen".