61606542234 has 32 divisors (see below), whose sum is σ = 130625220096. Its totient is φ = 19335965760.

The previous prime is 61606542227. The next prime is 61606542269. The reversal of 61606542234 is 43224560616.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 61606542192 and 61606542201.

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 15 ways as a sum of consecutive naturals, for example, 4469037 + ... + 4482800.

It is an arithmetic number, because the mean of its divisors is an integer number (4082038128).

Almost surely, 2^61606542234 is an apocalyptic number.

61606542234 is an abundant number, since it is smaller than the sum of its proper divisors (69018677862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61606542234 is a wasteful number, since it uses less digits than its factorization.

61606542234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8951910.

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 61606542234 in words is "sixty-one billion, six hundred six million, five hundred forty-two thousand, two hundred thirty-four".