65760581761 has 12 divisors (see below), whose sum is σ = 76717475568. Its totient is φ = 56203759752.

The previous prime is 65760581753. The next prime is 65760581797. The reversal of 65760581761 is 16718506756.

65760581761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 65760581761 - 2³ = 65760581753 is a prime.

It is a super-2 number, since 2×65760581761² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65760581699 and 65760581708.

It is not an unprimeable number, because it can be changed into a prime (65760561761) 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, 1916791 + ... + 1950796.

It is an arithmetic number, because the mean of its divisors is an integer number (6393122964).

Almost surely, 2^65760581761 is an apocalyptic number.

It is an amenable number.

65760581761 is a deficient number, since it is larger than the sum of its proper divisors (10956893807).

65760581761 is a wasteful number, since it uses less digits than its factorization.

65760581761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3867948 (or 3867941 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 52.

The spelling of 65760581761 in words is "sixty-five billion, seven hundred sixty million, five hundred eighty-one thousand, seven hundred sixty-one".