68818036224 has 160 divisors (see below), whose sum is σ = 209920778496. Its totient is φ = 19625287680.

The previous prime is 68818036211. The next prime is 68818036229. The reversal of 68818036224 is 42263081886.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68818036229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5983119 + ... + 5994609.

Almost surely, 2^68818036224 is an apocalyptic number.

68818036224 is a gapful number since it is divisible by the number (64) 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 68818036224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104960389248).

68818036224 is an abundant number, since it is smaller than the sum of its proper divisors (141102742272).

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

68818036224 is a wasteful number, since it uses less digits than its factorization.

68818036224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12076 (or 12060 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 48.

The spelling of 68818036224 in words is "sixty-eight billion, eight hundred eighteen million, thirty-six thousand, two hundred twenty-four".