61066555062 has 16 divisors (see below), whose sum is σ = 126344597040. Its totient is φ = 19653603872.

The previous prime is 61066555019. The next prime is 61066555073. The reversal of 61066555062 is 26055566016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175478433 + ... + 175478780.

It is an arithmetic number, because the mean of its divisors is an integer number (7896537315).

Almost surely, 2^61066555062 is an apocalyptic number.

61066555062 is an abundant number, since it is smaller than the sum of its proper divisors (65278041978).

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

61066555062 is a wasteful number, since it uses less digits than its factorization.

61066555062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350957247.

The product of its (nonzero) digits is 324000, while the sum is 42.

The spelling of 61066555062 in words is "sixty-one billion, sixty-six million, five hundred fifty-five thousand, sixty-two".