67996818120 has 256 divisors, whose sum is σ = 254513664000. Its totient is φ = 14118773760.

The previous prime is 67996818103. The next prime is 67996818121. The reversal of 67996818120 is 2181869976.

It is not an unprimeable number, because it can be changed into a prime (67996818121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23551317 + ... + 23554203.

It is an arithmetic number, because the mean of its divisors is an integer number (994194000).

Almost surely, 2^67996818120 is an apocalyptic number.

67996818120 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 67996818120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127256832000).

67996818120 is an abundant number, since it is smaller than the sum of its proper divisors (186516845880).

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

67996818120 is a wasteful number, since it uses less digits than its factorization.

67996818120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5468 (or 5464 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 57.

The spelling of 67996818120 in words is "sixty-seven billion, nine hundred ninety-six million, eight hundred eighteen thousand, one hundred twenty".