68584784161 has 8 divisors (see below), whose sum is σ = 69267971520. Its totient is φ = 67904797392.

The previous prime is 68584784159. The next prime is 68584784167. The reversal of 68584784161 is 16148748586.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68584784161 - 2¹ = 68584784159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68584784096 and 68584784105.

It is not an unprimeable number, because it can be changed into a prime (68584784167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 757066 + ... + 842803.

It is an arithmetic number, because the mean of its divisors is an integer number (8658496440).

Almost surely, 2^68584784161 is an apocalyptic number.

It is an amenable number.

68584784161 is a deficient number, since it is larger than the sum of its proper divisors (683187359).

68584784161 is a wasteful number, since it uses less digits than its factorization.

68584784161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600295.

The product of its digits is 10321920, while the sum is 58.

The spelling of 68584784161 in words is "sixty-eight billion, five hundred eighty-four million, seven hundred eighty-four thousand, one hundred sixty-one".