67685850000 has 180 divisors, whose sum is σ = 236769384852. Its totient is φ = 18049440000.

The previous prime is 67685849929. The next prime is 67685850007. The reversal of 67685850000 is 5858676.

67685850000 is a `hidden beast` number, since 6 + 7 + 68 + 585 + 0 + 0 + 0 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 42913608336 + 24772241664 = 207156^2 + 157392^2 .

It is a tau number, because it is divible by the number of its divisors (180).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67685850007) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 374794 + ... + 525206.

Almost surely, 2^67685850000 is an apocalyptic number.

67685850000 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 67685850000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118384692426).

67685850000 is an abundant number, since it is smaller than the sum of its proper divisors (169083534852).

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

67685850000 is a wasteful number, since it uses less digits than its factorization.

67685850000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150452 (or 150423 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 67685850000 in words is "sixty-seven billion, six hundred eighty-five million, eight hundred fifty thousand".