61606059975 has 48 divisors (see below), whose sum is σ = 113536899840. Its totient is φ = 32750805600.

The previous prime is 61606059953. The next prime is 61606060051. The reversal of 61606059975 is 57995060616.

It is not a de Polignac number, because 61606059975 - 2¹¹ = 61606057927 is a prime.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 63192 + ... + 356658.

It is an arithmetic number, because the mean of its divisors is an integer number (2365352080).

Almost surely, 2^61606059975 is an apocalyptic number.

61606059975 is a deficient number, since it is larger than the sum of its proper divisors (51930839865).

61606059975 is a wasteful number, since it uses less digits than its factorization.

61606059975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293797 (or 293786 counting only the distinct ones).

The product of its (nonzero) digits is 3061800, while the sum is 54.

The spelling of 61606059975 in words is "sixty-one billion, six hundred six million, fifty-nine thousand, nine hundred seventy-five".