61755410760 has 128 divisors (see below), whose sum is σ = 186701760000. Its totient is φ = 16341011456.

The previous prime is 61755410747. The next prime is 61755410797. The reversal of 61755410760 is 6701455716.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8399566 + ... + 8406914.

It is an arithmetic number, because the mean of its divisors is an integer number (1458607500).

Almost surely, 2^61755410760 is an apocalyptic number.

61755410760 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61755410760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93350880000).

61755410760 is an abundant number, since it is smaller than the sum of its proper divisors (124946349240).

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

61755410760 is a wasteful number, since it uses less digits than its factorization.

61755410760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7895 (or 7891 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 42.

The spelling of 61755410760 in words is "sixty-one billion, seven hundred fifty-five million, four hundred ten thousand, seven hundred sixty".