61206566708 has 12 divisors (see below), whose sum is σ = 122413133472. Its totient is φ = 26231385720.

The previous prime is 61206566683. The next prime is 61206566717. The reversal of 61206566708 is 80766560216.

61206566708 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1092974378 + ... + 1092974433.

It is an arithmetic number, because the mean of its divisors is an integer number (10201094456).

Almost surely, 2^61206566708 is an apocalyptic number.

It is an amenable number.

61206566708 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

61206566708 is a wasteful number, since it uses less digits than its factorization.

61206566708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2185948822 (or 2185948820 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 61206566708 in words is "sixty-one billion, two hundred six million, five hundred sixty-six thousand, seven hundred eight".