68201689500 has 576 divisors, whose sum is σ = 260939427840. Its totient is φ = 15066000000.

The previous prime is 68201689489. The next prime is 68201689511. The reversal of 68201689500 is 598610286.

68201689500 is a `hidden beast` number, since 6 + 82 + 0 + 1 + 68 + 9 + 500 = 666.

68201689500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (68201689489) and next prime (68201689511).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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, 90814125 + ... + 90814875.

It is an arithmetic number, because the mean of its divisors is an integer number (453019840).

Almost surely, 2^68201689500 is an apocalyptic number.

68201689500 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 68201689500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130469713920).

68201689500 is an abundant number, since it is smaller than the sum of its proper divisors (192737738340).

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

68201689500 is a wasteful number, since it uses less digits than its factorization.

68201689500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848 (or 799 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 68201689500 in words is "sixty-eight billion, two hundred one million, six hundred eighty-nine thousand, five hundred".