61643110750204 has 6 divisors (see below), whose sum is σ = 107875443812864. Its totient is φ = 30821555375100.

The previous prime is 61643110750121. The next prime is 61643110750213. The reversal of 61643110750204 is 40205701134616.

61643110750204 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 pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7705388843772 + ... + 7705388843779.

Almost surely, 2^{61643110750204} is an apocalyptic number.

It is an amenable number.

61643110750204 is a deficient number, since it is larger than the sum of its proper divisors (46232333062660).

61643110750204 is a wasteful number, since it uses less digits than its factorization.

61643110750204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15410777687555 (or 15410777687553 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 61643110750204 in words is "sixty-one trillion, six hundred forty-three billion, one hundred ten million, seven hundred fifty thousand, two hundred four".