68555167716 has 24 divisors (see below), whose sum is σ = 182813780800. Its totient is φ = 19587190752.

The previous prime is 68555167697. The next prime is 68555167717. The reversal of 68555167716 is 61776155586.

It is a super-2 number, since 2×68555167716² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (68555167717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408066391 + ... + 408066558.

Almost surely, 2^68555167716 is an apocalyptic number.

It is an amenable number.

68555167716 is an abundant number, since it is smaller than the sum of its proper divisors (114258613084).

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

68555167716 is a wasteful number, since it uses less digits than its factorization.

68555167716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816132963 (or 816132961 counting only the distinct ones).

The product of its digits is 10584000, while the sum is 57.

The spelling of 68555167716 in words is "sixty-eight billion, five hundred fifty-five million, one hundred sixty-seven thousand, seven hundred sixteen".