61606106606 has 64 divisors (see below), whose sum is σ = 104040780480. Its totient is φ = 27116544000.

The previous prime is 61606106561. The next prime is 61606106657. The reversal of 61606106606 is 60660160616.

It is a super-2 number, since 2×61606106606² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61606106606.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 118245626 + ... + 118246146.

It is an arithmetic number, because the mean of its divisors is an integer number (1625637195).

Almost surely, 2^61606106606 is an apocalyptic number.

61606106606 is a deficient number, since it is larger than the sum of its proper divisors (42434673874).

61606106606 is a wasteful number, since it uses less digits than its factorization.

61606106606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301.

The product of its (nonzero) digits is 46656, while the sum is 38.

The spelling of 61606106606 in words is "sixty-one billion, six hundred six million, one hundred six thousand, six hundred six".