68197864896 has 112 divisors (see below), whose sum is σ = 229130433280. Its totient is φ = 19485100800.

The previous prime is 68197864849. The next prime is 68197864913. The reversal of 68197864896 is 69846879186.

68197864896 is a `hidden beast` number, since 68 + 1 + 9 + 7 + 86 + 489 + 6 = 666.

68197864896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2806930 + ... + 2831121.

It is an arithmetic number, because the mean of its divisors is an integer number (2045807440).

Almost surely, 2^68197864896 is an apocalyptic number.

It is an amenable number.

68197864896 is an abundant number, since it is smaller than the sum of its proper divisors (160932568384).

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

68197864896 is a wasteful number, since it uses less digits than its factorization.

68197864896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5638079 (or 5638063 counting only the distinct ones).

The product of its digits is 250822656, while the sum is 72.

The spelling of 68197864896 in words is "sixty-eight billion, one hundred ninety-seven million, eight hundred sixty-four thousand, eight hundred ninety-six".