68306167685590 has 16 divisors (see below), whose sum is σ = 124432440411888. Its totient is φ = 26993280723616.

The previous prime is 68306167685563. The next prime is 68306167685599. The reversal of 68306167685590 is 9558676160386.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68306167685599) 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, 41148292957 + ... + 41148294616.

It is an arithmetic number, because the mean of its divisors is an integer number (7777027525743).

Almost surely, 2^{68306167685590} is an apocalyptic number.

68306167685590 is a deficient number, since it is larger than the sum of its proper divisors (56126272726298).

68306167685590 is a wasteful number, since it uses less digits than its factorization.

68306167685590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82296587663.

The product of its (nonzero) digits is 391910400, while the sum is 70.

The spelling of 68306167685590 in words is "sixty-eight trillion, three hundred six billion, one hundred sixty-seven million, six hundred eighty-five thousand, five hundred ninety".