61486830072 has 48 divisors (see below), whose sum is σ = 166545230280. Its totient is φ = 20493345600.

The previous prime is 61486830017. The next prime is 61486830073. The reversal of 61486830072 is 27003868416.

61486830072 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 not an unprimeable number, because it can be changed into a prime (61486830073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 688047 + ... + 772257.

Almost surely, 2^61486830072 is an apocalyptic number.

It is an amenable number.

61486830072 is an abundant number, since it is smaller than the sum of its proper divisors (105058400208).

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

61486830072 is a wasteful number, since it uses less digits than its factorization.

61486830072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94364 (or 94357 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 61486830072 in words is "sixty-one billion, four hundred eighty-six million, eight hundred thirty thousand, seventy-two".