67736216500 has 48 divisors (see below), whose sum is σ = 148022770896. Its totient is φ = 27078576000.

The previous prime is 67736216473. The next prime is 67736216501. The reversal of 67736216500 is 561263776.

It can be written as a sum of positive squares in 8 ways, for example, as 26196069904 + 41540146596 = 161852^2 + 203814^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67736216501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 831594 + ... + 909406.

It is an arithmetic number, because the mean of its divisors is an integer number (3083807727).

Almost surely, 2^67736216500 is an apocalyptic number.

It is an amenable number.

67736216500 is an abundant number, since it is smaller than the sum of its proper divisors (80286554396).

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

67736216500 is a wasteful number, since it uses less digits than its factorization.

67736216500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79573 (or 79561 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 43.

The spelling of 67736216500 in words is "sixty-seven billion, seven hundred thirty-six million, two hundred sixteen thousand, five hundred".