68066325037 has 4 divisors (see below), whose sum is σ = 68069827836. Its totient is φ = 68062822240.

The previous prime is 68066325017. The next prime is 68066325043. The reversal of 68066325037 is 73052366086.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22706270596 + 45360054441 = 150686^2 + 212979^2 .

It is a cyclic number.

It is not a de Polignac number, because 68066325037 - 2³¹ = 65918841389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68066325017) 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 3 ways as a sum of consecutive naturals, for example, 1722088 + ... + 1761169.

It is an arithmetic number, because the mean of its divisors is an integer number (17017456959).

Almost surely, 2^68066325037 is an apocalyptic number.

It is an amenable number.

68066325037 is a deficient number, since it is larger than the sum of its proper divisors (3502799).

68066325037 is a wasteful number, since it uses less digits than its factorization.

68066325037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3502798.

The product of its (nonzero) digits is 1088640, while the sum is 46.

The spelling of 68066325037 in words is "sixty-eight billion, sixty-six million, three hundred twenty-five thousand, thirty-seven".