61063715716416 has 140 divisors (see below), whose sum is σ = 206870837736288. Its totient is φ = 17446775908608.

The previous prime is 61063715716321. The next prime is 61063715716447. The reversal of 61063715716416 is 61461751736016.

61063715716416 is a `hidden beast` number, since 6 + 1 + 0 + 6 + 3 + 7 + 1 + 571 + 64 + 1 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 841339866 + ... + 841412441.

Almost surely, 2^{61063715716416} is an apocalyptic number.

It is an amenable number.

61063715716416 is an abundant number, since it is smaller than the sum of its proper divisors (145807122019872).

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

61063715716416 is a wasteful number, since it uses less digits than its factorization.

61063715716416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682752338 (or 1682752319 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 54.

The spelling of 61063715716416 in words is "sixty-one trillion, sixty-three billion, seven hundred fifteen million, seven hundred sixteen thousand, four hundred sixteen".