65747404116 has 72 divisors (see below), whose sum is σ = 170736910344. Its totient is φ = 21317195520.

The previous prime is 65747404109. The next prime is 65747404139. The reversal of 65747404116 is 61140474756.

65747404116 is a `hidden beast` number, since 6 + 574 + 74 + 0 + 4 + 1 + 1 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3120339600 + 62627064516 = 55860^2 + 250254^2 .

It is a super-2 number, since 2×65747404116² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7162906 + ... + 7172078.

It is an arithmetic number, because the mean of its divisors is an integer number (2371345977).

Almost surely, 2^65747404116 is an apocalyptic number.

It is an amenable number.

65747404116 is an abundant number, since it is smaller than the sum of its proper divisors (104989506228).

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

65747404116 is a wasteful number, since it uses less digits than its factorization.

65747404116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14601 (or 14596 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 65747404116 in words is "sixty-five billion, seven hundred forty-seven million, four hundred four thousand, one hundred sixteen".