61088066604 has 36 divisors (see below), whose sum is σ = 158183330760. Its totient is φ = 19866037440.

The previous prime is 61088066579. The next prime is 61088066609. The reversal of 61088066604 is 40666088016.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 61088066604.

It is not an unprimeable number, because it can be changed into a prime (61088066609) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 20692314 + ... + 20695265.

It is an arithmetic number, because the mean of its divisors is an integer number (4393981410).

Almost surely, 2^61088066604 is an apocalyptic number.

It is an amenable number.

61088066604 is an abundant number, since it is smaller than the sum of its proper divisors (97095264156).

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

61088066604 is a wasteful number, since it uses less digits than its factorization.

61088066604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41387630 (or 41387625 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 61088066604 in words is "sixty-one billion, eighty-eight million, sixty-six thousand, six hundred four".