68537444473586 has 64 divisors (see below), whose sum is σ = 114962902179840. Its totient is φ = 30377719354560.

The previous prime is 68537444473543. The next prime is 68537444473607.

68537444473586 is nontrivially palindromic in base 10.

68537444473586 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (74) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 356678411 + ... + 356870513.

It is an arithmetic number, because the mean of its divisors is an integer number (1796295346560).

Almost surely, 2^{68537444473586} is an apocalyptic number.

68537444473586 is a deficient number, since it is larger than the sum of its proper divisors (46425457706254).

68537444473586 is a wasteful number, since it uses less digits than its factorization.

68537444473586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193439.

The product of its digits is 6502809600, while the sum is 74.

The spelling of 68537444473586 in words is "sixty-eight trillion, five hundred thirty-seven billion, four hundred forty-four million, four hundred seventy-three thousand, five hundred eighty-six".