68998001600 has 168 divisors, whose sum is σ = 185475219600. Its totient is φ = 25054617600.

The previous prime is 68998001591. The next prime is 68998001603. The reversal of 68998001600 is 610089986.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68998001603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14588036 + ... + 14592764.

Almost surely, 2^68998001600 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68998001600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92737609800).

68998001600 is an abundant number, since it is smaller than the sum of its proper divisors (116477218000).

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

68998001600 is a wasteful number, since it uses less digits than its factorization.

68998001600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5591 (or 5576 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 47.

The spelling of 68998001600 in words is "sixty-eight billion, nine hundred ninety-eight million, one thousand, six hundred".