61116651160 has 64 divisors (see below), whose sum is σ = 141681571200. Its totient is φ = 23714697216.

The previous prime is 61116651061. The next prime is 61116651163. The reversal of 61116651160 is 6115661116.

61116651160 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 (61116651163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68596 + ... + 356284.

It is an arithmetic number, because the mean of its divisors is an integer number (2213774550).

Almost surely, 2^61116651160 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61116651160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70840785600).

61116651160 is an abundant number, since it is smaller than the sum of its proper divisors (80564920040).

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

61116651160 is a wasteful number, since it uses less digits than its factorization.

61116651160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287860 (or 287856 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 34.

The spelling of 61116651160 in words is "sixty-one billion, one hundred sixteen million, six hundred fifty-one thousand, one hundred sixty".