61760340495568 has 160 divisors (see below), whose sum is σ = 143412290025984. Its totient is φ = 25394549760000.

The previous prime is 61760340495541. The next prime is 61760340495587. The reversal of 61760340495568 is 86559404306716.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37006488 + ... + 38639368.

Almost surely, 2^{61760340495568} 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 61760340495568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71706145012992).

61760340495568 is an abundant number, since it is smaller than the sum of its proper divisors (81651949530416).

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

61760340495568 is a wasteful number, since it uses less digits than its factorization.

61760340495568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633245 (or 1633239 counting only the distinct ones).

The product of its (nonzero) digits is 130636800, while the sum is 64.

The spelling of 61760340495568 in words is "sixty-one trillion, seven hundred sixty billion, three hundred forty million, four hundred ninety-five thousand, five hundred sixty-eight".