61608238706 has 12 divisors (see below), whose sum is σ = 107500090158. Its totient is φ = 26403530832.

The previous prime is 61608238649. The next prime is 61608238733. The reversal of 61608238706 is 60783280616.

It can be written as a sum of positive squares in only one way, i.e., 39035880625 + 22572358081 = 197575^2 + 150241^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 314327651 + ... + 314327846.

Almost surely, 2^61608238706 is an apocalyptic number.

61608238706 is a deficient number, since it is larger than the sum of its proper divisors (45891851452).

61608238706 is a wasteful number, since it uses less digits than its factorization.

61608238706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628655513 (or 628655506 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 61608238706 in words is "sixty-one billion, six hundred eight million, two hundred thirty-eight thousand, seven hundred six".