61716022712 has 8 divisors (see below), whose sum is σ = 115717542600. Its totient is φ = 30858011352.

The previous prime is 61716022649. The next prime is 61716022717. The reversal of 61716022712 is 21722061716.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61716022717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3857251412 + ... + 3857251427.

It is an arithmetic number, because the mean of its divisors is an integer number (14464692825).

Almost surely, 2^61716022712 is an apocalyptic number.

It is an amenable number.

61716022712 is a deficient number, since it is larger than the sum of its proper divisors (54001519888).

61716022712 is a wasteful number, since it uses less digits than its factorization.

61716022712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7714502845 (or 7714502841 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 35.

The spelling of 61716022712 in words is "sixty-one billion, seven hundred sixteen million, twenty-two thousand, seven hundred twelve".