68376545688 has 32 divisors (see below), whose sum is σ = 186481488960. Its totient is φ = 20720165280.

The previous prime is 68376545641. The next prime is 68376545689. The reversal of 68376545688 is 88654567386.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68376545689) 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, 129500770 + ... + 129501297.

It is an arithmetic number, because the mean of its divisors is an integer number (5827546530).

Almost surely, 2^68376545688 is an apocalyptic number.

It is an amenable number.

68376545688 is an abundant number, since it is smaller than the sum of its proper divisors (118104943272).

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

68376545688 is a wasteful number, since it uses less digits than its factorization.

68376545688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259002087 (or 259002083 counting only the distinct ones).

The product of its digits is 232243200, while the sum is 66.

The spelling of 68376545688 in words is "sixty-eight billion, three hundred seventy-six million, five hundred forty-five thousand, six hundred eighty-eight".