61611060566 has 32 divisors (see below), whose sum is σ = 103375312128. Its totient is φ = 27297375840.

The previous prime is 61611060529. The next prime is 61611060571. The reversal of 61611060566 is 66506011616.

It is a happy number.

61611060566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393836 + ... + 527568.

It is an arithmetic number, because the mean of its divisors is an integer number (3230478504).

Almost surely, 2^61611060566 is an apocalyptic number.

61611060566 is a deficient number, since it is larger than the sum of its proper divisors (41764251562).

61611060566 is a wasteful number, since it uses less digits than its factorization.

61611060566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134276.

The product of its (nonzero) digits is 38880, while the sum is 38.

It can be divided in two parts, 616110 and 60566, that added together give a palindrome (676676).

The spelling of 61611060566 in words is "sixty-one billion, six hundred eleven million, sixty thousand, five hundred sixty-six".